We are trying to ensure that all features are relatively intuitive. But still, instructions will be coming soon for all of these features.
Generating random chord progressions.
Click the 'Random' button. It will pick a random key and four random chords in the selected scale.
Building custom chord progressions.
Click on any of the chords and a list of available chords will drop-down. Select the one you like.
Downloading MIDI files.
Click the 'MIDI' button. Your browser should download a file called 'download.midi'. Note: your browser may warn you about the MIDI file type.
Customizing drum loops.