audio-to-audio
ACE-Step Audio-to-Audio model generates music variations from existing audio files. It can remix existing tracks or edit lyrics while preserving the original audio's characteristics. Choose between 'remix' mode to transform the style while keeping structure, or 'lyrics' mode to modify the vocal content.
Idle
Your request will cost $0.0002 per run.
For $1 you can run this model approximately 5000 times.
Examples
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README
ACE-Step — Audio to Audio 🎧
ACE-Step Audio-to-Audio is a creative music transformation model that generates new versions of existing tracks. It allows you to remix, rewrite, or restyle a song directly from an uploaded audio file — perfect for producers, remixers, and creators looking to evolve their sound.
✨ Key Features
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🎛 Remix Mode Change the musical style while preserving rhythm, tempo, and melodic structure. (e.g., turn a pop track into a lo-fi or EDM remix)
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🎤 Lyrics Mode Edit or replace the song’s vocal content while keeping the instrumental layers intact.
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🎚 Style Control via Tags Guide generation using genre or mood tags like “jazz,” “cinematic,” “trap,” “ambient chill.”
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🎵 High Fidelity Preservation Keeps fine-grained acoustic and timbral details from the original audio — ensuring professional-grade sound quality.
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🪄 Reproducible Outputs Use the seed parameter to reproduce or slightly vary your remix results.
🧩 Parameters
| Parameter | Description |
|---|---|
| audio* | Upload or link to an existing track (mp3/wav) |
| original_tags* | Tags that describe the current genre/style |
| tags* | Target tags for the remix (e.g., “jazz”, “rock”, “electronic”) |
| edit_mode | Choose between remix or lyrics editing modes |
| original_lyrics | (Optional) Input existing lyrics for contextual editing |
| lyrics | (Optional) New or modified lyrics to be generated |
| seed | Randomization control — use -1 for auto or set a fixed value for reproducibility |
🎶 Use Cases
- Remixing existing tracks into new genres or moods
- Rewriting lyrics while preserving the backing music
- Adapting songs for different campaigns, platforms, or cultural contexts
- Creating A/B variations for music production or content testing
- Expanding music datasets with stylistic diversity
💡 Example Workflows
1. Create a remix:
Upload a pop song → set edit_mode: remix → add tags like “synthwave, retro” → generate a new version.
2. Rewrite lyrics:
Upload a vocal track → choose edit_mode: lyrics → enter new lyrics → generate a rewritten version keeping rhythm and tone.
💰 Pricing
| Metric | Price |
|---|---|
| Per second of generated audio | $0.0002 / s |
🎵 Summary
ACE-Step Audio-to-Audio transforms existing music into new creative expressions. Whether you’re remixing genres, rewriting lyrics, or refining mood and tone — it’s your all-in-one AI assistant for dynamic music evolution.