Piano...

Q: What do you get when you drop a piano down a mine shaft?
A: A flat minor.

Q: What do you get if you run over an army officer with a steam roller?
A: A flat major.

Q: What do you say to an army officer as you're about to run him or her over with a steam roller?
A: Be flat, major.

Q: What do you say after you run an army officer over with a steam roller?
A: See flat major.

Q: What key is "Exploring The Cave With No Flashlight" written in?
A: C sharp or B flat.

Q: What do you get when an army officer puts his nose to the grindstone?
A: A sharp major.

Q: What do you get if you enroll in a liberal arts program and the only subject you do well in is music?
A: A natural major.

Q: What do you use to tie saplings to a piano so the saplings won't blow away?
A: Root position cords.