Song Extender

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AI Song Extender: Add More to Your Music

MemoTune AI Song Extender generates new verses, choruses, bridges, and outros that match your original track's style. Upload your audio, describe what you want to add, and download extended versions ready for release, content, or personal projects.

What is AI Song Extender?

AI Song Extender is an online tool that adds new sections—verses, choruses, bridges, or outros—to existing songs while preserving the original style and mood.

Audio waveform showing original song with extended sections highlighted
An AI Song Extender analyzes your uploaded audio's melody, chord progression, tempo, and vocal style, then generates additional sections that sound like natural continuations. You upload an MP3, WAV, or M4A file (up to 20MB), specify what you want to add—a second verse, an extended chorus, a bridge, or a new outro—and the AI produces audio that blends seamlessly with your original. Music producers use AI music extender tools when a track is too short for streaming platforms (under 3 minutes often performs worse algorithmically) or when they need variations for different content lengths. Songwriters use song extender AI to overcome creative blocks—when the verse is done but the bridge won't come, the AI offers options to spark new ideas. MemoTune AI Song Extender supports lyrics-guided extension: provide the lyrics you want for the new section, and the AI generates audio that matches both the musical style and your words. This gives you control over the story while letting AI handle composition and production. Typical use cases include extending demos for label pitches, creating radio edits vs. extended mixes, adding intros for DJ sets, and producing longer background tracks for YouTube videos that need consistent music throughout.

AI Song Extender Use Cases

Whether you're finishing a demo, creating content, or preparing tracks for release, these are the main ways creators use AI to extend their music.

Music producer working in a studio with extended track waveform on screen

Music Production

Producers use AI Song Extender to lengthen tracks for streaming platforms where songs under 3 minutes often underperform. Add a second verse, extend the outro, or create a bridge that gives listeners more of what they love—without starting from scratch in your DAW.

Content creator editing a long-form video with extended music track

Content Creation

YouTubers and podcasters use AI music extender to create background tracks that match their video length exactly. Instead of looping a short piece awkwardly, extend the song to 5, 10, or 15 minutes with natural variations that keep the audio interesting throughout.

Songwriter with guitar reviewing AI-generated song extension options

Songwriting and Demos

Songwriters stuck on a verse or bridge use song extender AI to generate options. Upload your demo with the first verse and chorus, describe the mood for verse two, and hear multiple possibilities. Pick the best ideas and refine them—or use them as-is for quick demos.

AI Song Extender Features

MemoTune AI Song Extender focuses on seamless transitions, lyric matching, and export formats that fit professional workflows.

The AI analyzes your track's genre, instrumentation, and production style before generating new sections. Extensions sound like natural continuations—same key, similar energy, matching vocal tone. A lo-fi beat stays lo-fi; a rock anthem stays rock.

Visual comparison showing original track style matched in extension

What Makes Our AI Song Extender Different?

Compared to manual composition or other AI tools, MemoTune delivers extensions that sound like they belong—not like obvious additions.

Seamless Transitions

Other AI extenders often create audible jumps where the extension begins. MemoTune AI Song Extender analyzes the exact end point of your track and generates continuations that flow naturally—no awkward cuts, no jarring key changes, no tempo mismatches.

Minutes Instead of Hours

Writing and producing a new verse manually takes hours in the studio. AI Song Extender delivers a complete new section in 2-4 minutes. Test multiple versions, pick the best, and move on—or use the AI output as a starting point for your own refinement.

Your Lyrics, AI Music

Most song extenders generate random lyrics that don't fit your narrative. MemoTune lets you input exact lyrics for the AI to sing. Your story stays on track while the AI handles melody, harmony, and production. The words are yours; the music is ours.

No Musical Training Required

You don't need to understand music theory, play instruments, or operate a DAW. Upload your track, describe what you want in plain English, and download the result. AI Song Extender handles key detection, tempo matching, and arrangement automatically.

Private Generation

Your extended songs aren't published to any public gallery. Experiment with different extensions, test verse variations, and iterate privately. When you're ready, download the final version—without exposing drafts or unfinished experiments.

Free Trial Available

Try the AI Song Extender before committing. New accounts receive free credits to test the extension quality, hear how the AI matches your style, and decide if it fits your workflow. No credit card required to start.

How to Use AI Song Extender?

Three steps to extend your song. Most extensions generate in 2-4 minutes depending on the length you request.

Upload Your Track

Drag your audio file (MP3, WAV, or M4A up to 20MB) into the upload area. The AI Song Extender analyzes the track's key, tempo, structure, and style to understand what extensions will fit. You'll see the original waveform once upload completes.

Describe the Extension

Specify what you want to add: a new verse, extended chorus, bridge section, or outro. Optionally provide lyrics for the AI to sing. Select extension length (30 seconds, 1 minute, or custom). Toggle instrumental mode if you only need music without vocals.

Generate and Download

Click generate and wait 2-4 minutes for your extended track. Preview the result to check how the new section connects with the original. Download in MP3 for quick use or WAV for editing. Regenerate with different settings if the first version needs adjustment.

Start Extending Your Songs Today

Upload your track, describe what you want to add, and hear the extension in minutes. Preview before you commit, and iterate until it sounds right.

Extend a SongSee Examples

Frequently Asked Questions

Formats, quality, creative control, and limits—these questions help you decide whether AI Song Extender fits your workflow.

What audio formats can I upload?

MemoTune AI Song Extender accepts MP3, WAV, and M4A files up to 20MB. For best results, upload audio with clear separation between vocals and instruments. Higher quality source files produce better-matched extensions.

How long can the extension be?

You can add 30 seconds to 3 minutes per generation. For longer extensions, run multiple passes—add a verse, then add a bridge, then extend the outro. Each section maintains style consistency with your original and previous extensions.

Can I provide my own lyrics for the extension?

Yes. Enter your lyrics in the generation form, and the AI Song Extender creates vocals that sing your words in a voice matching your original track. This gives you full control over the narrative while AI handles composition and production.

Will the extension sound like my original song?

The AI analyzes your track's key, tempo, genre, instrumentation, and vocal style before generating. Extensions are designed to sound like natural continuations—not obvious AI additions. Most listeners can't tell where your original ends and the extension begins.

Can I use extended songs commercially?

Usage rights depend on your subscription plan. Check the commercial licensing terms in your account before releasing extended tracks on streaming platforms, in videos, or for client work. MemoTune provides clear licensing documentation for each plan tier.

What if the extension doesn't match what I wanted?

Adjust your description and regenerate. Be more specific about the section type, mood, energy level, or provide lyrics to guide the AI. Each generation uses credits, so detailed prompts get better results faster. You can also export multiple versions and choose the best.