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Moises.ai

Practice tools and stem separation

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What Moises is

Moises is aimed at players rather than at generating music. Its core is separating a finished song into vocals, drums, guitar, bass, piano and other parts, then adding tools musicians actually use: a smart metronome, pitch shifting, speed control, chord detection and lyric transcription.

What you can do with it

  • Isolate the part you want to practise along with
  • Slow a passage down without changing pitch
  • Change key to suit your voice
  • Detect chords from a recording
  • Prepare backing tracks for rehearsal

Who it is for

  • Musicians practising difficult parts
  • Teachers preparing material
  • Podcasters and editors splitting audio

What to watch out for

  • Only separate songs you own or have licensed; a backing track made from copyrighted music is still someone else's work
  • Separation quality varies with how dense the mix is
  • Pitch and tempo changes can sound mechanical at extremes
  • Copyright material: no commercially distributing rebuilt parts of others' songs

Pros & cons

✓ What we like

  • Genuinely useful practice feature set
  • Several instrument stems supported
  • Works across devices

! What to watch out for

  • Rights issues with copyrighted songs
  • Separation quality varies
  • Extreme tempo changes degrade audio

FAQ

What can it separate?

Vocals, drums, guitar, bass, piano and additional instrument parts.

Can I use it to learn a copyrighted song?

For private practice generally yes, but redistributing the parts is not permitted.

What practice tools exist?

Smart metronome, pitch adjustment, speed control, chord detection and lyric transcription.

Last reviewed: 2026-09-18

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