What is the tallest building in the world?
The library of course, it has the most stories!
What is black when you buy it, red when you use it, and gray when you throw it away?
Coal!
Why was the piano player arrested?
Because he got into treble.
What do you get when you drop a piano on an army base?
Flat major.
What do you get when you drop a piano down a mine shaft?
Flat minor.
Pupil: Please Sir! Did you hear that scientists have found life on another planet?
Teacher: What are you talking about?
Pupil: They found fleas on Pluto!