French Horn to Trombone

Q: How do you make a french horn sound like a trombone?
A: Take your hand out of the bell and lose all sense of taste.

Trombone Testing

Q: What is the difference between a trombone and a trumpet?
A: A trombone will bend before it breaks.

Light Bulb - Musician

Q: Do you know how many musicians it takes to change a light bulb?
A: Twenty. One to hold the bulb, two to turn the ladder, and seventeen in on the guest list.