Feature Request: As a maker of piano tutorial videos, we need the ability to manually colour code each individual note, to designate left hand and right hand, without having to go into an external MIDI editor. This is one of the most important aspects of the popular Synthesia application (see attached video). It would also be amazing to be able to assign a colour gradient to the left hand and a different colour gradient to the right hand. The video highlights a few key piano tutorial features in Synthesia: Button to default all notes to right hand and assign it a colour. Button to default all notes to left hand and assign it a colour. Ability to manually click on individual notes to designate left hand and right hand.