Shows how to play a piano chord on a virtual keyboard. Select the chord you want (From Cm to Bb7(b5)add13...all are here !).
Scales (major, Dorian, blues...) can be visualized on the keyboard.
You can save chords and scales as MIDI file.
You can also "draw" the notes on the keyboard, or play your MIDI keyboard, it will tell you what chord it is.
A Chord sequencer is also available to play and save your patterns.