None, my parents couldn't afford the rental fee when I was in elem. school. I wanted to play the flute.
ETA: funny thing now that I think about it b/c my sister and I took ballet from the time that we were in elem school well into college. So I guess they weren't all bad ... and cheap. LOL.
Oh well, I guess I could always learn to play an instrument now.
I heard that some of them can cause your bottom lip to split a little. Is that true?
SC