Right. I've played in bands and produced a couple of records, and while I used to write score for programming music into a sequencer app, I've never used it to

Right. I've played in bands and produced a couple of records, and while I used to write score for programming music into a sequencer app, I've never used it to communicate with any musician I've worked with. At most you write down the the chords to a song. Outside of Jazz and Classical it appears that everyone is playing by ear.