Rapid Composer | AudioSEX - Professional Audio Forum
RapidComposer by MusicDevelopments - Music Prototyping Plugin VST VST3 Audio Unit
RapidComposer LE Download: An advanced phrase-based composition application that offers a large palette of chords, rhythm generators and resizable smart phrases to include in your music
MusicDevelopments Rapid Composer 3.6 - First Impression - YouTube