📂 Import audio files

Which files work? Why won’t some songs import?
Files are never uploaded — everything is processed on your own device, and it is gone when you close the tab.
mp3 / m4a / wav / aac / flac / aiff and more — whether a file actually plays is up to your browser.
iPhone: you can only pick audio from the Files app.
Apple Music / Spotify / KKBOX downloads are DRM-protected and cannot be read.

📋 Playlists

Gap between tracks s Leave room to switch instruments, turn pages, or rest

➕ Add imported files to this playlist:

🔁 A-B loop

On the waveform: drag = select a section (release to loop) · pinch = zoom in to find details · tap = jump there (your loop stays put).

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🐢 Speed (pitch preserved)

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Why do the notes jump around?
Only accurate on single notes.Good for solos, bass lines and vocals. A full band plays many notes at once, so the reading jumps about — that is a limit of the method, not a fault. It becomes much steadier when you slow the track down.
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Playback speed
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