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I am a piano player. I had a keyboard that had the feature to add percussion and accompaniment when giving the chords and selecting the rhythm (e.g. Ballad).

I switched to a digital piano that is awesome but doesn't have this feature.

Is there any application that does this?

Features:

  • a desktop application
  • open source
  • works on Linux
  • nice rhythms and accompaniments
  • easy to use (just put the chords in and get the sounds)
  • export the result to an audio file format (not midi)
  • would be great if it could be synced with Ardour
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2 Answers 2

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Can I suggest that you tale a look at Hydrogen:

  • a desktop & open source application - Yes to both
  • should work on Linux platforms - Linux specific. but there are OSX and Windows builds.
  • nice rhythms and accompaniments - You can put together your own sequences to meet your requirements - you can also download sequences that others have built.
  • easy to use (just put the chords and get the sounds) - hard to quantify easy
  • should be able to export the result in an audio file format (not midi) - can export to wav, aiff, flac, ogg as well as midi
  • would be really great if it could be synced with Ardour - possibly you could always suggest it or develop it yourself.

Main Window Screenshot from website: Main Window

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  • Hydrogen can be synced with Ardour, but could you add how can I add pre-built rhythms and accompaniments giving the chords? Thanks!
    – Ionică Bizău
    Commented Dec 19, 2014 at 4:33
  • You can download a range of pre-built rhythms & accompaniments from the website then load them from the sound library.
    – Steve Barnes
    Commented Jan 13, 2015 at 22:02
  • Can you add an example how can I do that? Also, where can I find these rhythms & accompaniaments?
    – Ionică Bizău
    Commented Jan 14, 2015 at 5:59
  • Have your read the online documentation or looked at the wiki? You will find both there!
    – Steve Barnes
    Commented Jan 14, 2015 at 6:47
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The software I develop, JJazzLab, is a new free and open-source based application which fullfills all your requirements, except the syncing with Ardour.

It's simple: you type in a few chords, pick up a style, and it generates the accompaniment. You can refine the accompaniment if needed. It uses Yamaha style files, thousands of them can be found for free on the web.

The export-to-audio feature is not built-in within JJazzLab since it's a Midi app., but it's simple to do when used with FluidSynth (see FluidSynth -F option).

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