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JJazzLab

Generate backing tracks for any song

Jerome Lelasseux ✓ Verified

org.jjazzlab.JJazzLab
View on Flathub ↗

Fed up with boring backing tracks? Try JJazzLab and make your own dynamic backing tracks in just a few minutes!

"Love it, works as expected, wow, thanks to the author" - "Absolutely fantastic app!" (YouTube comments)

Features:

  • Dynamic backing tracks - Create professional-quality backing tracks that breathe with real musicality.
  • Musically alive - Add variety, rhythmic accents and natural dynamics that keep your practice sessions inspiring.
  • Hundreds of styles at your fingertips - Master jazz standards with the signature jjSwing style, or explore any genre using compatible Yamaha style files for endless possibilities.
  • Simple user interface - Type in a few chord symbols, choose a style and hit play. No complex setup required.
  • Grows with your skills - Whether you're working on a simple blues or a complex composition with multiple sections and tempo changes, JJazzLab adapts to your needs.
  • Open-source platform for musicians and developers - JJazzLab welcomes community contributions, custom plugins, and new music generation features that keep evolving.

Screenshots

The main window with a sample song
The main window with a sample song

Observed history

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Upstream releases

Release notes supplied by the developer. These dates are not Flathub package publication times.

5.2.113 Apr 2026

Release description

  • Bug fixes
5.27 Apr 2026

Release description

  • UI improvements, many bugs fixes, including the global freeze one
  • FluidSynth audio driver can now be adjusted (mostly for Linux)
5.12 Jan 2026

Release description

  • 23 bug fixes
  • jjSwing style improvements: drums fills, tempo-based swing-feel adaptations, ...
  • 4 new Yamaha styles
  • Other new features...
5.0.126 Nov 2025

Release description

  • New jjSwing intelligent style
  • Track overrides
  • Many new features and bug fixes...