audio-to-audio
ACE-Step Audio-to-Audio turns existing tracks into remixes or vocal edits using remix and lyrics modes while preserving audio character. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
Idle
Your request will cost $0.0002 per run.
For $1 you can run this model approximately 5000 times.
ExamplesView all
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
-
🎛 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)
-
🎤 Lyrics Mode Edit or replace the song’s vocal content while keeping the instrumental layers intact.
-
🎚 Style Control via Tags Guide generation using genre or mood tags like “jazz,” “cinematic,” “trap,” “ambient chill.”
-
🎵 High Fidelity Preservation Keeps fine-grained acoustic and timbral details from the original audio — ensuring professional-grade sound quality.
-
🪄 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.