Then after awhile, like in high school, 1975-79, I heard jazz and improvisation, and I thought, well, thats silly, they just play anything, anybody could do that right? WRONG. You just can't play anything. I learned you have to play in the same key that everyone else is in or it will just sound like, well, anything and wrong. If you play anything as long as its in the same key as everyone else, then it sounds great, but its REALLY difficult, for me it was at least.