I was thinking today about a somewhat useful app I used on my Linux partition a few times...It was called GNU Solfege. Basically, it had a catalog of many many scales (including majors, minors, modes, jazz scales, et cetera...), and exercises that you could do. For example, for pitch practice, it would play a note, let's say Bb (doesn't really matter), and then it'd play another note, and give you four options, like: Augmented fourth, Major sixth, minor second, Major 7th. Then, you'd have to select the correct answer (based on the interval it played). It had a bunch of useful exercises like that that I enjoyed playing with. I was wondering if anyone could perhaps attempt to make a program like that? I'm sure there's somewhere on the internet that gives details about GNU Solfege, so you could use that as your guide...I don't know. I'd just really like to see this App, and if it was good enough, hell, I'd pay $3-10 for it. Maybe more depending on how good it was. Just a thought 
