Jazz Jam: Practice & Play

JazzJam Studio

In-app purchases

About this app

Jazz Jam — Practice & Play

Jazz Jam generates backing tracks based on original arrangements by professional musicians.

Features

- Library of essential chord progressions — 2-5-1s, blues changes, rhythm changes, and more
- Piano, bass, and drums — arrangements crafted for authentic swing feel, with melodically voiced walking bass lines
- Live chord chart — synchronized display so you can follow along as you play
- Transposition — concert pitch, B♭, and E♭ for trumpet, sax, and other transposing instruments
- Full playback control — adjust key, tempo, and repeats; mute/unmute individual instruments

Pro Unlock

One purchase unlocks:

- All Keys Cycle — Cycle any chart through all 12 keys
- MIDI — Edit tracks in your DAW
- WAV — Uncompressed studio audio
- MP3 — Small files, easy to share
- MusicXML — Open in MuseScore, Dorico, Finale

Practice jazz the way it's meant to sound.

What’s new

This release fixes a crash affecting older Android devices.

Bug fixes:
- Fixed a crash that closed the app as soon as playback started on Android 7 devices