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  • JJazzLab 4
  • Installation instructions
  • Video tutorials
  • FAQ
  • Sounds
    • Using FluidSynth
    • Other synths
  • Playback control
    • Commands
    • Playback key transposition
    • Midi remote commands
  • Editors
    • Overview
    • Chord lead sheet
    • Song structure
    • Mix console
    • Notes editor
  • Songs
    • Song and mix files
    • Importing songs
    • Exporting songs
  • Rhythms
    • Rhythm files
    • Adapted rhythms
  • Tools
    • Arranger keyboard mode
    • Chord inspector
    • Easy Reader
    • Improvisation help
  • Rhythm engines
    • Rhythm engines overview
    • YamJJazz rhythm engine
      • Yamaha styles
      • Extended Yamaha styles
  • Contribute
    • Improve documentation
    • Translate JJazzLab
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  • What is JJazzLab?
  • Getting started
  • Key features
  • Side tools

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JJazzLab 4

A complete and open application for backing tracks generation.

NextInstallation instructions

Last updated 6 months ago

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Want to add or fix documentation? Yes you can!πŸ˜€ Visit the page.

In JJazzLab "rhythm" usually means a music style, like pop or bossa-nova.

What is JJazzLab?

🎡 With JJazzLab you quickly create backing tracks for any song, even complex ones. It’s a jam buddy to have fun practicing at home or learn new stuff. It’s also a great tool for teaching or early-stage composing.

🎷 JJazzLab is designed to make non-boring backing tracks, backing tracks with variety, rhythmic accents and dynamics. You can start a solo slowly and gradually build up the atmosphere!

πŸ’» JJazzLab is open-source with an open architecture: developers can easily add new features and new music generation capabilities.

Getting started

  1. Load an example song file : menu File/Open Songs... and select ExampleFiles/BluesMinor.sng

  2. Press the Play button : you should hear the backing track -if not, check the Midi Out device in menu Tools/Options (Preferences on Mac)

If you prefer to quickly create a new backing track from scratch, check out this video:

Key features

  • Introduce dynamics and variety in just a few clicks, for example:

    • mute the guitar in the intro

    • add a break at the end of the 2nd verse and congas in the 3rd verse

    • boost intensity and slightly increase tempo at the end

    • add anticipated chords

    • simplify the piano on the first verse

Side tools

and run JJazzLab, then :

Start editing the song using the and hear how it impacts the generated backing track.

Hundreds of ready-to-use music styles () available

Add to customize your backing track

Attach to bars

Play (for sax, etc.)

Use Midi to control playback

and song or individual instrument tracks

: shows the playing chords (and annotations/lyrics) with a large font

: shows selected chord symbol notes and scales (piano, guitar diagrams, score)

: control backing track in (pseudo) real-time via a Midi input device

: generate improvisation guides on your chord leadsheet

Install
editors
rhythms
user tracks
annotations/lyrics
transposed
remote commands
Import
export
Easy Reader window
Chord inspector
Arranger keyboard mode
Improvisation help
Improve documentation
JJazzlab 4