Lyria 3 is Google's family of music generation models, available through the Gemini API. With Lyria 3, you can generate high-quality, 44.1 kHz stereo audio from text prompts or from images. These models deliver structural coherence, including vocals, timed lyrics, and full instrumental arrangements.
The Lyria 3 family includes two models:
| Model | Model ID | Best for | Duration | Output |
|---|---|---|---|---|
| Lyria 3 Clip | lyria-3-clip-preview |
Short clips, loops, previews | 30 seconds | MP3 |
| Lyria 3 Pro | lyria-3-pro-preview |
Full-length songs with verses, choruses, bridges | A couple of minutes (controllable via prompt) | MP3 |
Both models can be used using the standard generateContent method and the new
Interactions API, supporting multimodal
inputs (text and images), and produce 44.1 kHz high-fidelity stereo audio.
Generate a music clip
The Lyria 3 Clip model always generates a 30-second clip. To generate a
clip, call the generateContent method with a text prompt. The response always
includes the generated lyrics and song structure alongside the audio.
Python
from google import genai
client = genai.Client()
response = client.models.generate_content(
model="lyria-3-clip-preview",
contents="Create a 30-second cheerful acoustic folk song with "
"guitar and harmonica.",
)
# Parse the response
for part in response.parts:
if part.text is not None:
print(part.text)
elif part.inline_data is not None:
with open("clip.mp3", "wb") as f:
f.write(part.inline_data.data)
print("Audio saved to clip.mp3")
JavaScript
import { GoogleGenAI } from "@google/genai";
import * as fs from "node:fs";
const ai = new GoogleGenAI({});
async function main() {
const response = await ai.models.generateContent({
model: "lyria-3-clip-preview",
contents: "Create a 30-second cheerful acoustic folk song with " +
"guitar and harmonica.",
});
for (const part of response.candidates[0].content.parts) {
if (part.text) {
console.log(part.text);
} else if (part.inlineData) {
const buffer = Buffer.from(part.inlineData.data, "base64");
fs.writeFileSync("clip.mp3", buffer);
console.log("Audio saved to clip.mp3");
}
}
}
main();
Go
package main
import (
"context"
"fmt"
"log"
"os"
"google.golang.org/genai"
)
func main() {
ctx := context.Background()
client, err := genai.NewClient(ctx, nil)
if err != nil {
log.Fatal(err)
}
result, err := client.Models.GenerateContent(
ctx,
"lyria-3-clip-preview",
genai.Text("Create a 30-second cheerful acoustic folk song " +
"with guitar and harmonica."),
nil,
)
if err != nil {
log.Fatal(err)
}
for _, part := range result.Candidates[0].Content.Parts {
if part.Text != "" {
fmt.Println(part.Text)
} else if part.InlineData != nil {
err := os.WriteFile("clip.mp3", part.InlineData.Data, 0644)
if err != nil {
log.Fatal(err)
}
fmt.Println("Audio saved to clip.mp3")
}
}
}
Java
import com.google.genai.Client;
import com.google.genai.types.GenerateContentResponse;
import com.google.genai.types.Part;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
public class GenerateMusicClip {
public static void main(String[] args) throws IOException {
try (Client client = new Client()) {
GenerateContentResponse response = client.models.generateContent(
"lyria-3-clip-preview",
"Create a 30-second cheerful acoustic folk song with "
+ "guitar and harmonica.");
for (Part part : response.parts()) {
if (part.text().isPresent()) {
System.out.println(part.text().get());
} else if (part.inlineData().isPresent()) {
var blob = part.inlineData().get();
if (blob.data().isPresent()) {
Files.write(Paths.get("clip.mp3"), blob.data().get());
System.out.println("Audio saved to clip.mp3");
}
}
}
}
}
}
REST
curl -s -X POST \
"https://generativelanguage.googleapis.com/v1beta/models/lyria-3-clip-preview:generateContent" \
-H "x-goog-api-key: $GEMINI_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"contents": [{
"parts": [
{"text": "Create a 30-second cheerful acoustic folk song with guitar and harmonica."}
]
}]
}'
C#
using System.Threading.Tasks;
using Google.GenAI;
using Google.GenAI.Types;
using System.IO;
public class GenerateMusicClip {
public static async Task main() {
var client = new Client();
var response = await client.Models.GenerateContentAsync(
model: "lyria-3-clip-preview",
contents: "Create a 30-second cheerful acoustic folk song with guitar and harmonica."
);
foreach (var part in response.Candidates[0].Content.Parts) {
if (part.Text != null) {
Console.WriteLine(part.Text);
} else if (part.InlineData != null) {
await File.WriteAllBytesAsync("clip.mp3", part.InlineData.Data);
Console.WriteLine("Audio saved to clip.mp3");
}
}
}
}
Generate a full-length song
Use the lyria-3-pro-preview model to generate full-length songs that last a
couple of minutes. The Pro model understands musical structure and can create
compositions with distinct verses, choruses, and bridges. You can influence the
duration by specifying it in your prompt (e.g., "create a 2-minute song") or by
using timestamps to define the structure.
Python
response = client.models.generate_content(
model="lyria-3-pro-preview",
contents="An epic cinematic orchestral piece about a journey home. "
"Starts with a solo piano intro, builds through sweeping "
"strings, and climaxes with a massive wall of sound.",
)
JavaScript
const response = await ai.models.generateContent({
model: "lyria-3-pro-preview",
contents: "An epic cinematic orchestral piece about a journey home. " +
"Starts with a solo piano intro, builds through sweeping " +
"strings, and climaxes with a massive wall of sound.",
});
Go
result, err := client.Models.GenerateContent(
ctx,
"lyria-3-pro-preview",
genai.Text("An epic cinematic orchestral piece about a journey " +
"home. Starts with a solo piano intro, builds through " +
"sweeping strings, and climaxes with a massive wall of sound."),
nil,
)
Java
GenerateContentResponse response = client.models.generateContent(
"lyria-3-pro-preview",
"An epic cinematic orchestral piece about a journey home. "
+ "Starts with a solo piano intro, builds through sweeping "
+ "strings, and climaxes with a massive wall of sound.");
REST
curl -s -X POST \
"https://generativelanguage.googleapis.com/v1beta/models/lyria-3-pro-preview:generateContent" \
-H "x-goog-api-key: $GEMINI_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"contents": [{
"parts": [
{"text": "An epic cinematic orchestral piece about a journey home. Starts with a solo piano intro, builds through sweeping strings, and climaxes with a massive wall of sound."}
]
}]
}'
C#
var response = await client.Models.GenerateContentAsync(
model: "lyria-3-pro-preview",
contents: "An epic cinematic orchestral piece about a journey home. " +
"Starts with a solo piano intro, builds through sweeping " +
"strings, and climaxes with a massive wall of sound."
);
Select output format
By default, the Lyria 3 models generate audio in MP3 format. For
Lyria 3 Pro, you can also request the output in WAV format by setting
the response_mime_type in the generationConfig.
Python
response = client.models.generate_content(
model="lyria-3-pro-preview",
contents="An atmospheric ambient track.",
config=types.GenerateContentConfig(
response_modalities=["AUDIO", "TEXT"],
response_mime_type="audio/wav",
),
)
JavaScript
const response = await ai.models.generateContent({
model: "lyria-3-pro-preview",
contents: "An atmospheric ambient track.",
config: {
responseModalities: ["AUDIO", "TEXT"],
responseMimeType: "audio/wav",
},
});
Go
config := &genai.GenerateContentConfig{
ResponseModalities: []string{"AUDIO", "TEXT"},
ResponseMIMEType: "audio/wav",
}
result, err := client.Models.GenerateContent(
ctx,
"lyria-3-pro-preview",
genai.Text("An atmospheric ambient track."),
config,
)
Java
GenerateContentConfig config = GenerateContentConfig.builder()
.responseModalities("AUDIO", "TEXT")
.responseMimeType("audio/wav")
.build();
GenerateContentResponse response = client.models.generateContent(
"lyria-3-pro-preview",
"An atmospheric ambient track.",
config);
C#
var config = new GenerateContentConfig {
ResponseModalities = { "AUDIO", "TEXT" },
ResponseMimeType = "audio/wav"
};
var response = await client.Models.GenerateContentAsync(
model: "lyria-3-pro-preview",
contents: "An atmospheric ambient track.",
config: config
);
REST
curl -s -X POST \
"https://generativelanguage.googleapis.com/v1beta/models/lyria-3-pro-preview:generateContent" \
-H "x-goog-api-key: $GEMINI_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"contents": [{
"parts": [
{"text": "An atmospheric ambient track."}
]
}],
"generationConfig": {
"responseModalities": ["AUDIO", "TEXT"],
"responseMimeType": "audio/wav"
}
}'
Parse the response
The response from Lyria 3 contains multiple parts. Text parts contain the
generated lyrics or a JSON description of the song structure. Parts with
inline_data contain the audio bytes.
Python
lyrics = []
audio_data = None
for part in response.parts:
if part.text is not None:
lyrics.append(part.text)
elif part.inline_data is not None:
audio_data = part.inline_data.data
if lyrics:
print("Lyrics:\n" + "\n".join(lyrics))
if audio_data:
with open("output.mp3", "wb") as f:
f.write(audio_data)
JavaScript
const lyrics = [];
let audioData = null;
for (const part of response.candidates[0].content.parts) {
if (part.text) {
lyrics.push(part.text);
} else if (part.inlineData) {
audioData = Buffer.from(part.inlineData.data, "base64");
}
}
if (lyrics.length) {
console.log("Lyrics:\n" + lyrics.join("\n"));
}
if (audioData) {
fs.writeFileSync("output.mp3", audioData);
}
Go
var lyrics []string
var audioData []byte
for _, part := range result.Candidates[0].Content.Parts {
if part.Text != "" {
lyrics = append(lyrics, part.Text)
} else if part.InlineData != nil {
audioData = part.InlineData.Data
}
}
if len(lyrics) > 0 {
fmt.Println("Lyrics:\n" + strings.Join(lyrics, "\n"))
}
if audioData != nil {
err := os.WriteFile("output.mp3", audioData, 0644)
if err != nil {
log.Fatal(err)
}
}
Java
List<String> lyrics = new ArrayList<>();
byte[] audioData = null;
for (Part part : response.parts()) {
if (part.text().isPresent()) {
lyrics.add(part.text().get());
} else if (part.inlineData().isPresent()) {
audioData = part.inlineData().get().data().get();
}
}
if (!lyrics.isEmpty()) {
System.out.println("Lyrics:\n" + String.join("\n", lyrics));
}
if (audioData != null) {
Files.write(Paths.get("output.mp3"), audioData);
}
C#
var lyrics = new List<string>();
byte[] audioData = null;
foreach (var part in response.Candidates[0].Content.Parts) {
if (part.Text != null) {
lyrics.Add(part.Text);
} else if (part.InlineData != null) {
audioData = part.InlineData.Data;
}
}
if (lyrics.Count > 0) {
Console.WriteLine("Lyrics:\n" + string.Join("\n", lyrics));
}
if (audioData != null) {
await File.WriteAllBytesAsync("output.mp3", audioData);
}
REST
# The output from the REST API is a JSON object containing base64 encoded data.
# You can extract the text or the audio data using a tool like jq.
# To extract the audio and save it to a file:
curl ... | jq -r '.candidates[0].content.parts[] | select(.inlineData) | .inlineData.data' | base64 -d > output.mp3
Generate music from images
Lyria 3 supports multimodal inputs — you can provide up to 10 images alongside your text prompt and the model will compose music inspired by the visual content.
Python
from PIL import Image
image = Image.open("desert_sunset.jpg")
response = client.models.generate_content(
model="lyria-3-pro-preview",
contents=[
"An atmospheric ambient track inspired by the mood and "
"colors in this image.",
image,
],
)
JavaScript
const imageData = fs.readFileSync("desert_sunset.jpg");
const base64Image = imageData.toString("base64");
const response = await ai.models.generateContent({
model: "lyria-3-pro-preview",
contents: [
{ text: "An atmospheric ambient track inspired by the mood " +
"and colors in this image." },
{
inlineData: {
mimeType: "image/jpeg",
data: base64Image,
},
},
],
});
Go
imgData, err := os.ReadFile("desert_sunset.jpg")
if err != nil {
log.Fatal(err)
}
parts := []*genai.Part{
genai.NewPartFromText("An atmospheric ambient track inspired " +
"by the mood and colors in this image."),
&genai.Part{
InlineData: &genai.Blob{
MIMEType: "image/jpeg",
Data: imgData,
},
},
}
contents := []*genai.Content{
genai.NewContentFromParts(parts, genai.RoleUser),
}
result, err := client.Models.GenerateContent(
ctx,
"lyria-3-pro-preview",
contents,
nil,
)
Java
GenerateContentResponse response = client.models.generateContent(
"lyria-3-pro-preview",
Content.fromParts(
Part.fromText("An atmospheric ambient track inspired by "
+ "the mood and colors in this image."),
Part.fromBytes(
Files.readAllBytes(Path.of("desert_sunset.jpg")),
"image/jpeg")));
REST
curl -s -X POST \
"https://generativelanguage.googleapis.com/v1beta/models/lyria-3-pro-preview:generateContent" \
-H "x-goog-api-key: $GEMINI_API_KEY" \
-H 'Content-Type: application/json' \
-d "{
\"contents\": [{
\"parts\":[
{\"text\": \"An atmospheric ambient track inspired by the mood and colors in this image.\"},
{
\"inline_data\": {
\"mime_type\":\"image/jpeg\",
\"data\": \"<BASE64_IMAGE_DATA>\"
}
}
]
}]
}"
C#
var response = await client.Models.GenerateContentAsync(
model: "lyria-3-pro-preview",
contents: new List<Part> {
Part.FromText("An atmospheric ambient track inspired by the mood and colors in this image."),
Part.FromBytes(await File.ReadAllBytesAsync("desert_sunset.jpg"), "image/jpeg")
}
);

Provide custom lyrics
You can write your own lyrics and include them in the prompt. Use section tags
like [Verse], [Chorus], and [Bridge] to help the model understand the
song structure:
Python
prompt = """
Create a dreamy indie pop song with the following lyrics:
[Verse 1]
Walking through the neon glow,
city lights reflect below,
every shadow tells a story,
every corner, fading glory.
[Chorus]
We are the echoes in the night,
burning brighter than the light,
hold on tight, don't let me go,
we are the echoes down below.
[Verse 2]
Footsteps lost on empty streets,
rhythms sync to heartbeats,
whispers carried by the breeze,
dancing through the autumn leaves.
"""
response = client.models.generate_content(
model="lyria-3-pro-preview",
contents=prompt,
)
JavaScript
const prompt = `
Create a dreamy indie pop song with the following lyrics:
[Verse 1]
Walking through the neon glow,
city lights reflect below,
every shadow tells a story,
every corner, fading glory.
[Chorus]
We are the echoes in the night,
burning brighter than the light,
hold on tight, don't let me go,
we are the echoes down below.
[Verse 2]
Footsteps lost on empty streets,
rhythms sync to heartbeats,
whispers carried by the breeze,
dancing through the autumn leaves.
`;
const response = await ai.models.generateContent({
model: "lyria-3-pro-preview",
contents: prompt,
});
Go
prompt := `
Create a dreamy indie pop song with the following lyrics:
[Verse 1]
Walking through the neon glow,
city lights reflect below,
every shadow tells a story,
every corner, fading glory.
[Chorus]
We are the echoes in the night,
burning brighter than the light,
hold on tight, don't let me go,
we are the echoes down below.
[Verse 2]
Footsteps lost on empty streets,
rhythms sync to heartbeats,
whispers carried by the breeze,
dancing through the autumn leaves.
`
result, err := client.Models.GenerateContent(
ctx,
"lyria-3-pro-preview",
genai.Text(prompt),
nil,
)
Java
String prompt = """
Create a dreamy indie pop song with the following lyrics:
[Verse 1]
Walking through the neon glow,
city lights reflect below,
every shadow tells a story,
every corner, fading glory.
[Chorus]
We are the echoes in the night,
burning brighter than the light,
hold on tight, don't let me go,
we are the echoes down below.
[Verse 2]
Footsteps lost on empty streets,
rhythms sync to heartbeats,
whispers carried by the breeze,
dancing through the autumn leaves.
""";
GenerateContentResponse response = client.models.generateContent(
"lyria-3-pro-preview",
prompt);
C#
var prompt = @"
Create a dreamy indie pop song with the following lyrics:
[Verse 1]
Walking through the neon glow,
city lights reflect below,
every shadow tells a story,
every corner, fading glory.
[Chorus]
We are the echoes in the night,
burning brighter than the light,
hold on tight, don't let me go,
we are the echoes down below.
[Verse 2]
Footsteps lost on empty streets,
rhythms sync to heartbeats,
whispers carried by the breeze,
dancing through the autumn leaves.
";
var response = await client.Models.GenerateContentAsync(
model: "lyria-3-pro-preview",
contents: prompt
);
REST
curl -s -X POST \
"https://generativelanguage.googleapis.com/v1beta/models/lyria-3-pro-preview:generateContent" \
-H "x-goog-api-key: $GEMINI_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"contents": [{
"parts": [
{"text": "Create a dreamy indie pop song with the following lyrics: ..."}
]
}]
}'
Control timing and structure
You can specify exactly what happens at specific moments in the song using timestamps. This is useful for controlling when instruments enter, when lyrics are delivered, and how the song progresses:
Python
prompt = """
[0:00 - 0:10] Intro: Begin with a soft lo-fi beat and muffled
vinyl crackle.
[0:10 - 0:30] Verse 1: Add a warm Fender Rhodes piano melody
and gentle vocals singing about a rainy morning.
[0:30 - 0:50] Chorus: Full band with upbeat drums and soaring
synth leads. The lyrics are hopeful and uplifting.
[0:50 - 1:00] Outro: Fade out with the piano melody alone.
"""
response = client.models.generate_content(
model="lyria-3-pro-preview",
contents=prompt,
)
JavaScript
const prompt = `
[0:00 - 0:10] Intro: Begin with a soft lo-fi beat and muffled
vinyl crackle.
[0:10 - 0:30] Verse 1: Add a warm Fender Rhodes piano melody
and gentle vocals singing about a rainy morning.
[0:30 - 0:50] Chorus: Full band with upbeat drums and soaring
synth leads. The lyrics are hopeful and uplifting.
[0:50 - 1:00] Outro: Fade out with the piano melody alone.
`;
const response = await ai.models.generateContent({
model: "lyria-3-pro-preview",
contents: prompt,
});
Go
prompt := `
[0:00 - 0:10] Intro: Begin with a soft lo-fi beat and muffled
vinyl crackle.
[0:10 - 0:30] Verse 1: Add a warm Fender Rhodes piano melody
and gentle vocals singing about a rainy morning.
[0:30 - 0:50] Chorus: Full band with upbeat drums and soaring
synth leads. The lyrics are hopeful and uplifting.
[0:50 - 1:00] Outro: Fade out with the piano melody alone.
`
result, err := client.Models.GenerateContent(
ctx,
"lyria-3-pro-preview",
genai.Text(prompt),
nil,
)
Java
String prompt = """
[0:00 - 0:10] Intro: Begin with a soft lo-fi beat and muffled
vinyl crackle.
[0:10 - 0:30] Verse 1: Add a warm Fender Rhodes piano melody
and gentle vocals singing about a rainy morning.
[0:30 - 0:50] Chorus: Full band with upbeat drums and soaring
synth leads. The lyrics are hopeful and uplifting.
[0:50 - 1:00] Outro: Fade out with the piano melody alone.
""";
GenerateContentResponse response = client.models.generateContent(
"lyria-3-pro-preview",
prompt);
C#
var prompt = @"
[0:00 - 0:10] Intro: Begin with a soft lo-fi beat and muffled
vinyl crackle.
[0:10 - 0:30] Verse 1: Add a warm Fender Rhodes piano melody
and gentle vocals singing about a rainy morning.
[0:30 - 0:50] Chorus: Full band with upbeat drums and soaring
synth leads. The lyrics are hopeful and uplifting.
[0:50 - 1:00] Outro: Fade out with the piano melody alone.
";
var response = await client.Models.GenerateContentAsync(
model: "lyria-3-pro-preview",
contents: prompt
);
REST
curl -s -X POST \
"https://generativelanguage.googleapis.com/v1beta/models/lyria-3-pro-preview:generateContent" \
-H "x-goog-api-key: $GEMINI_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"contents": [{
"parts": [
{"text": "[0:00 - 0:10] Intro: ..."}
]
}]
}'
Generate instrumental tracks
For background music, game soundtracks, or any use case where vocals are not required, you can prompt the model to produce instrumental-only tracks:
Python
response = client.models.generate_content(
model="lyria-3-clip-preview",
contents="A bright chiptune melody in C Major, retro 8-bit "
"video game style. Instrumental only, no vocals.",
)
JavaScript
const response = await ai.models.generateContent({
model: "lyria-3-clip-preview",
contents: "A bright chiptune melody in C Major, retro 8-bit " +
"video game style. Instrumental only, no vocals.",
});
Go
result, err := client.Models.GenerateContent(
ctx,
"lyria-3-clip-preview",
genai.Text("A bright chiptune melody in C Major, retro 8-bit " +
"video game style. Instrumental only, no vocals."),
nil,
)
Java
GenerateContentResponse response = client.models.generateContent(
"lyria-3-clip-preview",
"A bright chiptune melody in C Major, retro 8-bit "
+ "video game style. Instrumental only, no vocals.");
C#
var response = await client.Models.GenerateContentAsync(
model: "lyria-3-clip-preview",
contents: "A bright chiptune melody in C Major, retro 8-bit " +
"video game style. Instrumental only, no vocals."
);
REST
curl -s -X POST \
"https://generativelanguage.googleapis.com/v1beta/models/lyria-3-clip-preview:generateContent" \
-H "x-goog-api-key: $GEMINI_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"contents": [{
"parts": [
{"text": "A bright chiptune melody in C Major, retro 8-bit video game style. Instrumental only, no vocals."}
]
}]
}'
Generate music in different languages
Lyria 3 generates lyrics in the language of your prompt. To generate a song with French lyrics, write your prompt in French. The model adapts its vocal style and pronunciation to match the language.
Python
response = client.models.generate_content(
model="lyria-3-pro-preview",
contents="Crée une chanson pop romantique en français sur un "
"coucher de soleil à Paris. Utilise du piano et de "
"la guitare acoustique.",
)
JavaScript
const response = await ai.models.generateContent({
model: "lyria-3-pro-preview",
contents: "Crée une chanson pop romantique en français sur un " +
"coucher de soleil à Paris. Utilise du piano et de " +
"la guitare acoustique.",
});
Go
result, err := client.Models.GenerateContent(
ctx,
"lyria-3-pro-preview",
genai.Text("Crée une chanson pop romantique en français sur un " +
"coucher de soleil à Paris. Utilise du piano et de " +
"la guitare acoustique."),
nil,
)
Java
GenerateContentResponse response = client.models.generateContent(
"lyria-3-pro-preview",
"Crée une chanson pop romantique en français sur un "
+ "coucher de soleil à Paris. Utilise du piano et de "
+ "la guitare acoustique.");
C#
var response = await client.Models.GenerateContentAsync(
model: "lyria-3-pro-preview",
contents: "Crée une chanson pop romantique en français sur un " +
"coucher de soleil à Paris. Utilise du piano et de " +
"la guitare acoustique."
);
REST
curl -s -X POST \
"https://generativelanguage.googleapis.com/v1beta/models/lyria-3-pro-preview:generateContent" \
-H "x-goog-api-key: $GEMINI_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"contents": [{
"parts": [
{"text": "Crée une chanson pop romantique en français sur un coucher de soleil à Paris. Utilise du piano et de la guitare acoustique."}
]
}]
}'
Model intelligence
Lyria 3 analyzes your prompt process where the model reasons through musical structure (intro, verse, chorus, bridge, etc.) based on your prompt. This happens before the audio is generated and ensures structural coherence and musicality.
Interactions API
You can use Lyria 3 models with the Interactions API; a unified interface for interacting with Gemini models and agents. It simplifies state management and long-running tasks for complex multimodal use cases.
Python
from google import genai
client = genai.Client()
interaction = client.interactions.create(
model="lyria-3-pro-preview",
input="A melancholic jazz fusion track in D minor, " +
"featuring a smooth saxophone melody, walking bass line, " +
"and complex drum rhythms.",
)
for output in interaction.outputs:
if output.text:
print(output.text)
elif output.inline_data:
with open("interaction_output.mp3", "wb") as f:
f.write(output.inline_data.data)
print("Audio saved to interaction_output.mp3")
JavaScript
import { GoogleGenAI } from '@google/genai';
const client = new GoogleGenAI({});
const interaction = await client.interactions.create({
model: 'lyria-3-pro-preview',
input: 'A melancholic jazz fusion track in D minor, ' +
'featuring a smooth saxophone melody, walking bass line, ' +
'and complex drum rhythms.',
});
for (const output of interaction.outputs) {
if (output.text) {
console.log(output.text);
} else if (output.inlineData) {
const buffer = Buffer.from(output.inlineData.data, 'base64');
fs.writeFileSync('interaction_output.mp3', buffer);
console.log('Audio saved to interaction_output.mp3');
}
}
REST
curl -X POST "https://generativelanguage.googleapis.com/v1beta/interactions" \
-H "Content-Type: application/json" \
-H "x-goog-api-key: $GEMINI_API_KEY" \
-d '{
"model": "lyria-3-pro-preview",
"input": "A melancholic jazz fusion track in D minor, featuring a smooth saxophone melody, walking bass line, and complex drum rhythms."
}'
Prompting guide
Your prompt can be as simple as "a folk song about cute cats avoiding puddles, female vocals and the noise of rain", or something detailed and structured like:
A 1980s-style synth-pop track with a driving beat, shimmering synthesizers, and a catchy, anthemic chorus. The song should have a retro-futuristic feel, reminiscent of classic 80s pop hits, with a modern production polish. The tempo should be upbeat and danceable, around 120 BPM, with a clear verse-chorus structure and a memorable instrumental hook. The lyrics are about the feeling of getting ready for a party.
Both simple and complex prompts can give you good outputs. We recommend experimenting with these tips to find what works best for you.
Genre
Lead your prompt with the genre of music you want, such as hip hop, rock, and rap. You can specify a mix of genres:
- A fusion of metal and rap
- A combination of death metal and opera
- A classical piece with electronic drone elements
- Modern electronic dance music (EDM) mixed with Europop
You can also incorporate an era:
- Early 90s hip-hop
- 60s French ye-ye pop
- 80s electronic experimentation
- 2000s mainstream pop
If you prompt for bespoke genres or regional variants, like "Berlin techno" or "Bay area hyphy", the model will attempt to capture that essence, but it may not always get it right.
Instruments
By default Lyria 3 will make songs with the instruments and tools you'd expect for the genre. You don't need to be prescriptive.
However, a dance track isn't going to include a saxophone unless you ask for it. So if you want a saxophone solo, you need to prompt it:
A dance track with a driving beat, shimmering synthesizers, and a catchy, anthemic chorus. A saxophone solo should come in during the bridge.
Your prompt can include specific instruments, how they sound, and how they interact with each other. You can use this combination to create certain moods or textures:
- A dirty, distorted bassline fighting against clean, crisp hi-hats
- Warm, analog synthesizer pads swelling underneath a dry, intimate acoustic guitar
- A wall of sound created by multiple layers of fuzzy guitars, with buried, distant vocals
Song structure
You can outline the progression of a song in your prompt. Use arrows or a list to define the flow:
[Intro]->[Verse 1]->[Chorus]->[Verse 2]->[Chorus]->[Bridge]->[Outro]- Start with a quiet piano intro, build into a loud verse, drop into a silence, then explode into the chorus.
You can also specify how energy levels change between these sections:
- Build tension in the pre-chorus, then drop to silence before a massive, explosive chorus
- Gradual crescendo throughout the song, adding one instrument at a time until a chaotic wall of sound
- Sudden stop after the bridge, followed by an acapella chorus
You can also prompt the exact time you want something to happen:
- Build to a drop at 12s
- Someone says "what" every 2 seconds
- The chorus kicks in at 22s
Lyrics
Vocals and lyrics are generated by default. You can provide your own lyrics, ask for no lyrics (or an instrumental), or steer the lyric generation in the direction you want.
Your lyrics will be in the language you write your prompt in. You can also ask for lyrics to be in another language, like "Write the lyrics in French".
Using your own lyrics
To give the model your own lyrics, include them in the prompt with a "Lyrics:" prefix:
Lyrics:
[Intro]
Oooh, oooh
[Verse 1]
Let's go
Let's go
Go with the flow
[Chorus]
...
You can prefix parts of the song with section titles like [Intro],
[Verse 1], [Pre-chorus], [Chorus] and [Outro].
If you want a word or line to be repeated, like an echo or by backing singers, you can include it in parentheses: "Let's go (go)".
Prompting the model to write lyrics
If you want Lyria 3 to make lyrics for you, it's best to include details of what the lyrics will be about in your prompt. Otherwise the model needs to infer a subject from your music prompt, and it may not be what you want.
The lyrics are about lost love and the pain of heartbreak. The singer is reminiscing about a past relationship and the memories that come flooding back.
If you want a repeating chorus, it helps to ask for one in your prompt:
The lyrics are about lost love and the pain of heartbreak. The singer is reminiscing about a past relationship and the memories that come flooding back. A powerful chorus focuses on getting over the pain and moving on.
Lyria 3 will automatically steer the structure of the lyrics towards the type of music you're requesting, but you can re-emphasize this in your prompt too. For example:
An EDM track that repeats the same energetic phrase over and over again.
You can also prompt for vocal effects that aren't strictly lyrics, for example:
- A repeating sample from a movie says "I can't believe this!" throughout the song
- A high energy techno track, right before the drop the sound all stops and a little voice says "I don't know what I'm doing here", then the music drops.
- The track opens with a conversation about the movies in the 90s being better than today. Then the track segues into a pop song.
Vocals
You can prompt for how you want the lyrics to be delivered. For the best results, specify a detailed singer profile covering gender, timbre, and vocal range.
- Female Soprano: Clear, crystalline timbre with an agile, soaring quality. Capable of hitting whistly high notes with an airy, breathy texture.
- Female Alto: Rich, warm, and husky lower range. Smoky timbre with a touch of vocal fry, soulful and resonant.
- Male Tenor: Bright, piercing, and energetic. Youthful timbre with a slight nasal edge, cutting through the mix with high belting power.
- Male Baritone: Deep, chocolatey, and velvet-smooth. Resonant chest voice with a soothing, crooning delivery.
- Weathered Rocker (Male): Raspy and textured with a gravelly timbre, reminiscent of 90s grunge. Strained upper range for emotional intensity.
Other prompt parameters
You can also include these parameters to further refine your prompt:
- Key/Scale: Specify a musical key (e.g., "in G major", "D minor").
- Mood and atmosphere: Use descriptive adjectives (e.g., "nostalgic", "aggressive", "ethereal", "dreamy").
- Duration: The Clip model always produces 30-second clips. For the Pro model, specify the desired length in your prompt (e.g., "create a 2-minute song") or use timestamps to control duration.
Example prompts
Here are some examples of effective prompts:
"A 30-second lofi hip hop beat with dusty vinyl crackle, mellow Rhodes piano chords, a slow boom-bap drum pattern at 85 BPM, and a jazzy upright bass line. Instrumental only.""An upbeat, feel-good pop song in G major at 120 BPM with bright acoustic guitar strumming, claps, and warm vocal harmonies about a summer road trip.""A dark, atmospheric trap beat at 140 BPM with heavy 808 bass, eerie synth pads, sharp hi-hats, and a haunting vocal sample. In D minor."
Best practices
- Iterate with Clip first. Use the faster
lyria-3-clip-previewmodel to experiment with prompts before committing to a full-length generation withlyria-3-pro-preview. - Be specific. Vague prompts produce generic results. Mention instruments, BPM, key, mood, and structure for the best output.
- Use section tags.
[Verse],[Chorus],[Bridge]tags give the model clear structure to follow. - Separate lyrics from instructions. When providing custom lyrics, clearly separate them from your musical direction instructions.
Limitations
- Safety: All prompts are checked by safety filters. Prompts that trigger the filters will be blocked. This includes prompts that request specific artist voices or the generation of copyrighted lyrics.
- Watermarking: All generated audio includes a SynthID audio watermark for identification. This watermark is imperceptible to the human ear and does not affect the listening experience.
- Multi-turn editing: Music generation is a single-turn process. Iterative editing or refining a generated clip through multiple prompts is not supported in the current version of Lyria 3.
- Length: The Clip model always generates 30-second clips. The Pro model generates songs that last a couple of minutes; exact duration can be influenced through your prompt.
- Determinism: Results may vary between calls, even with the same prompt.
What's next
- Check pricing for Lyria 3 models,
- Try real-time, streaming music generation with Lyria RealTime,
- Generate multi-speaker conversations with the TTS models,
- Discover how to generate images or videos,
- Find out how Gemini can understand audio files,
- Have a real-time conversation with Gemini using the Live API.