I don't know if this option exists already in biab? (if yes how?) but it would be great if we can start playing the style, and give the chords to the program via a midi keyboard (playing 3 or 4 notes simultaneously) and it generates the arrangement in real time according to the given chords. Just like keybords synthetizers do when we play he style and use keyboard to change the arrangement chords while plying.

This also could be recordable, and be a possibility of writting the chords without typing the notations.