You've made a pretty impressive looking app. What is your feedback like? What do your prospective users think of it? Without having used it, my first reaction i

You've made a pretty impressive looking app. What is your feedback like? What do your prospective users think of it? Without having used it, my first reaction is that I think it would be pretty annoying to try to play a piano while reading from an iPhone - constantly having to squint at a tiny screen and a nightmare of scrubbing to practice sections of the song are two specific complaints I can make right away. I'm interested to hear the reception of this app.