How do you get a guitarist to turn down his volume? Put sheet music in front of him!
 
How do you get the keyboard player to turn down? Take the music away!

Previously joked - How do you get a guitarist to turn down his volume? Put sheet music in front of him!  
 
Continued - How do you get a guitarist to stop playing? Put notes on the sheet music!  
 
What does it mean when drool is coming out both sides of the Drummers mouth?  The stage is level!

A man was standing in line for an orchestra concert.  He turned to the person next to him and said, Do you want to hear a joke about viola players?  The other person said, I'll have you know I'm a viola player.  The first man replied, Don't worry, I'll tell it slowly.
 
Why are violas bigger than violins?  They're not; violinists? heads are bigger.
 
What do violin players use for birth control? Their personalities.