JJazzLab 2.1.2

Fed up with boring backing tracks? Try JJazzLab and make your own dynamic backing tracks in just a few minutes!
JJazzLab is a jam buddy to practice your instrument and have fun improvising. It's also a great tool for teachers.
Latest news - June 30, 2020

Version 2.1.2a is out - bug fix release with a few improvements

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Dynamic backing tracks

Start a solo slowly and gradually build up the atmosphere !

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Rhythmic accents

Use chord anticipations and rhythmic accents to spice up the arrangement.

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Benefit from 100's of Yamaha style files

JJazzLab can read Yamaha style files. It also introduces new extension files for even more style variations.

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Based on the JJazzLab-X open-source platform

JJazzLab relies on JJazzLab-X, the open-source platform dedicated to backing tracks generation. JJazzLab-X is designed so that third-party developers can easily extend it with new features and new rhythm generation capabilities.

A simple and powerful user interface

You want to practice your instrument on a few chords ? Type in the chord symbols, pick up a rhythm, and press start, it’s a matter of seconds. You want more variety ? Use the song structure editor to reorder sections or introduce rhythm and intensity variations.

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Why jjazzlab ?

As a jazz/funk pianist I have tried most of the auto-accompaniment or backing tracks apps (Band In a Box, etc). They are good indeed and I had some fun at first, but I quickly got frustrated: I missed the intensity dynamics which help develop interesting solos. I was aware that a program will never match a real band, but I had a few ideas how to do better. That’s why I decided to start developing JJazzLab -in my spare time, so please be indulgent !