It's someone who knows how to play the bagpipes, but doesn't.
or
Man blows into it, but God only knows what comes out
or
Start with two million.
or
A rubber band.
or
"This phone is baroque, please call Bach later."
or
Root position cords.
or
Eventually a Savings Bond will mature and earn money!
or
Seven. One to change it and the other six to sing about how good the old one was.
or
He decomposes.
or
One who knows how to play the saxophone, but doesn't!
or