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Make any song longer — new verses, same voice

AI Song Extender

Got a song that ends too soon? Extend continues it from the point you choose, with new lyrics, in the same style and voice — a 30-second clip becomes a full song.

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Waveform glow pulsing along a timeline on a studio monitor
  • Continue from any point
  • New lyrics, same voice and style
  • Free credits
  • Download the full song

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Quick answer

Updated

What is an AI song extender?

An AI song extender makes a song longer by continuing it in the same style and voice. In Kenerate AI's Music Studio you pick a song from your library, write lyrics for the new part and choose where the continuation starts, and Extend generates the rest; in our tests a 31-second clip became 1:20 and 2:45 songs.

Key facts

Input
A finished song in your library
You add
Lyrics for the new part + a start point
Our tests
0:31 → 1:20 and 0:31 → 2:45
Free start
Starter credits
Engine
Mureka V8

Before → after

Two clips, extended

Play the original, then the extended version. The bar shows where the new part starts. Both originals were ~31-second Ken Music 1 clips.

  1. Pair 1 · extended at 0:25

    Summer's On

    A short summer pop hook, extended with a second verse and chorus — same singer, same beat.

    Original clip · 0:30

    Ken Music 1

    Tap to play

    Extended · 1:19

    Mureka V8 Extend

    Tap to play

    Prompt and the new lyrics

    Original prompt: Catchy upbeat pop hook about the first warm day of summer, bright synths, punchy drums, female vocals, 120 bpm

    Lyrics for the extension: [Verse 2] Sunglasses on and the windows down Every little street feels like a brand new town Call up the crew, tell them meet me at noon We've been waiting all year for this afternoon [Chorus] Summer's on, summer's on, turn the radio loud Summer's on, summer's on, dancing in the crowd

    Make a song, then extend it

  2. Pair 2 · extended at 0:25

    Walk Me Home

    A gentle folk sketch that grew into a full 2:45 song with a new verse and chorus.

    Original clip · 0:30

    Ken Music 1

    Tap to play

    Extended · 2:45

    Mureka V8 Extend

    Tap to play

    Prompt and the new lyrics

    Original prompt: Gentle folk song about walking home through autumn leaves, acoustic guitar, soft male vocals, 90 bpm

    Lyrics for the extension: [Verse 2] Porch light's glowing at the end of the lane Smell of cinnamon and the coming rain Every step I take, the leaves call out my name Autumn's walking me home again [Chorus] Walk me home, walk me home, through the gold and red Walk me home, walk me home, every word you said

    Make a song, then extend it

How to

How to use the AI song extender

Time needed
Steps
4 steps

  1. Step 1

    Make or pick a song

    Generate a song in /app/music, or open one from your library.

  2. Step 2

    Choose Extend

    From the song's menu or details view.

  3. Step 3

    Write the new lyrics

    A verse and a chorus with section tags, in the same style.

  4. Step 4

    Set the start point

    Just before the original ends, e.g. 25 s into a 30-second clip.

1Choose what to make2Describe the music3Pick Ken Music and the length4Click Make5Play and download your track
Kenerate AI Music Studio tool card set to Instrumental, no vocals background music

Open Music Studio and pick a song from a prompt, a song from your lyrics, or an instrumental.

1 / 5 · Choose what to make

Watch the tour · 1:24

Prompt & lyrics to song, instrumentals, models, your tracks & chat

Chapters

Engines

Engines involved

Extend runs on Mureka V8; the original can come from any engine in the studio. Facts from the app's engine list.

  • Extend (Mureka V8) title card — a glowing audio waveform ribbon that continues seamlessly from a bright marked start point into a newly extended section

    Mureka

    Extend (Mureka V8)

    Length
    Adds to your song
    Modes
    Continues with your lyrics

    Best for

    Same voice and style from the start point you choose

    Open Extend (Mureka V8)
  • Ken Music 1 title card — a stylised neon burst of a short catchy musical hook

    Kenerate

    Ken Music 1

    Length
    ~30 s
    Modes
    Song · Instrumental

    Best for

    Quick clips — hooks, jingles, intros

    Open Ken Music 1
  • Ken Music 1.5 title card — a dreamy album-cover-like scene where a photograph dissolves into flowing musical waveforms and notes around a vocalist's microphone

    Kenerate

    Ken Music 1.5

    Length
    Up to ~3 min
    Modes
    Song · Lyrics · Instrumental

    Best for

    Default engine: full songs with vocals in any language; can take an image as inspiration

    Open Ken Music 1.5
  • ElevenLabs Music v2.5 title card — a pristine modern recording studio at night

    ElevenLabs

    ElevenLabs Music v2.5

    Length
    Exact length, 10 s–10 min
    Modes
    Song · Lyrics · Instrumental

    Best for

    Set the exact duration; clean studio mix

    Open ElevenLabs Music v2.5

Prompt recipe

Short songs worth extending

Make one of these first (Ken Music 1 makes quick ~30-second clips), then extend it.

The start point
Just before the original ends — before any fade-out.
The new lyrics
A verse and a chorus with [Verse]/[Chorus] tags; match the original's line length.
Reuse the hook
Repeat the original chorus line so it feels like one song.
Extend again
Each extension is a new song you can extend further.

  • Pop hook

    Catchy upbeat pop hook about the first warm day of summer, bright synths, punchy drums, female vocals, 120 bpm

    Use this prompt

  • Folk sketch

    Gentle folk song about walking home through autumn leaves, acoustic guitar, soft male vocals, 90 bpm

    Use this prompt

  • Rap hook

    Hype trap hook about winning, heavy 808s, catchy chant, 145 bpm

    Use this prompt

  • Jingle to song

    Cheerful ukulele jingle about sunny mornings, whistling, handclaps, bright female vocals

    Use this prompt
More prompts (1)

  • Ballad intro

    Piano ballad opening about an old photograph, soft male vocals, 72 bpm

    Use this prompt

Song structure

What Extend adds

The original keeps playing up to the start point; from there the extension continues with the lyrics you wrote.

  1. Original: intro + hook · 12 barsYour finished clip, up to the start point
  2. New verse · 8 barsLyrics you add — same voice
  3. New chorus · 8 barsRepeat your hook for a real song shape
  4. More · 8 barsExtend again for a bridge or outro

Choose the start point just before the clip's ending so the join sounds natural — 25 seconds into a 31-second clip worked well in our tests.

Tips

Seamless extensions

From our extension tests.

  • Start the extension before any fade-out, not at the very end.

  • Keep the new lines about as long as the original's lines.

  • Repeat the original hook in the new chorus.

  • Extend in steps: verse + chorus first, then a bridge and outro.

  • Ken Music 1 clips (~30 s) are a cheap way to test ideas before extending.

  • For a long track without vocals, ElevenLabs Music can also make an exact length up to 10 minutes directly.

Example uses

How creators use AI song extender

Illustrative examples of typical workflows, not customer reviews.

  • Notebook and laptop timeline with an acoustic guitar nearby

    Hobby songwriter

    A hobby songwriter could turn a 30-second hook into a full song by writing a second verse and a chorus for the extension.

  • Shop counter with a ukulele and a portable speaker by a sunny window

    Brand owner

    A brand owner could grow a short jingle into a longer mascot song for an ad.

  • Laptop video timeline with a long music track under the clips

    Video creator

    A video creator could extend a short track in steps so it covers a longer montage.

FAQ

AI Song Extender questions

How do I make a song longer with AI?

Open the song in the Music Studio, choose Extend, write lyrics for the new part and pick where the continuation should start. Extend generates the rest in the same style and voice.

Link to this answer

Is the AI song extender free?

Yes, to start: a new account gets free credits to extend songs online. After that, one-time credit packs top you up; credits never expire.

Link to this answer

Can I extend a song I uploaded?

No — Extend works on songs you made in the Kenerate Music Studio.

Link to this answer

How long can an extended song be?

In our tests a 31-second clip became 1:20 and 2:45. You can extend an extended song again to keep going.

Link to this answer

Does the extension keep the same voice?

Yes — it continues from your song, so the singer, key and style carry on.

Link to this answer

Do I need lyrics to extend?

Yes. Extend sings the lyrics you write for the new part — a verse and a chorus with section tags works well.

Link to this answer

Where should the extension start?

Just before the original ends, before any fade. 25 seconds into a ~31-second clip worked well for us.

Link to this answer

In depth

AI Song Extender, explained

What works, what to avoid, and how the pieces fit.

Why extend instead of regenerating

Regenerating a longer song gives you a different song. Extending keeps what you already like — the voice, the melody, the hook — and adds to it. That's why short clip engines like Ken Music 1 pair well with Extend: find a hook you love in 30 seconds, then build the full song around it.

Keep going

More from Kenerate

By Last updated and reviewed

We build and run the Kenerate Music Studio. Every demo on this page is a real output of the engine named on it, made from the prompt shown; engine facts were checked against the app's code.

Sources: Kenerate Extend (src/app/api/music/extend, Mureka V8 extend-song)

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