v0.20210209

Added 5 new major and 5 minor chord progressions.

v0.20210113

6336 MIDI files
Added the missing m7b9b5 chords
All chord progressions are now available in 4 rhythmic styles

v0.20201119

Added 3 minor chord progressions
All chords are now 1 octave above

v0.20201014

Fixed the chord progressions with borrowed chords
Added 3 progressions with a bVII chord

v0.20201010

Initial release 3500 chords and progressions