MIDI Auto-Accompaniment Systems


Would you like to ...

  • make professional music with your computer or a simple MIDI controller actively ? - (Audio & video clips)
  • let a software "compose" tasteful tracks for practicing, video clips or presentations (RMCA Pro) ?   
  • use a chord progressions random generator with many options to get musical ideas (RMCA Pro) ?
  • practice guitar or bass and be accompanied by a backing band with countless songs (RMCA Pro) ?
  • process thousands of additional high-quality styles ? (RMCA Pro) -  Learn more ...
  • create your own styles from MIDI files or virtually any MIDI input (RMCA Pro) ?
  • turn your MIDI controller or your computer into a full-featured MIDI arranger keyboard ?
  • use an alternate MIDI auto-accompaniment with 16 "fingered" and 10 "two-finger" chord types ?
  • use an auto-accompaniment for less than US$ 7.00 (only MAAS) ?
Download RMCA Realtime MIDI Chord Arranger Pro (updated and enhanced in 2016)
Download Portable RMCA Pro (updated and enhanced in 2016)
Download MIDI Auto Accompaniment Section (updated in 2016)
Download Instrument List Editor - the freeware add-on


  • RMCA Pro:
  • MAAS:

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 RMCA Pro audio & video clips 

RMCA Pro and MAAS are particularly suitable for creating
backing tracks in a few minutes and jamming along to them.

Example 1 Ballad in Bb-major/G-minor   -   RMCA Pro + Guitar Modeling (recorded live, MP3)


Example 2:  Blues/Rock in Bb-major   -   RMCA Pro + Guitar Synth & Modeling (recorded live, MP3)


Example 3:  Slow Blues in A-minor   -   RMCA Pro + Guitar Synth & Modeling (recorded live, MP3)


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