AFM New Member Application (American Federation of Musicians)
The American Federation of Musicians is a musicians' union that works in the best interests of artists everywhere. They currently represent over 80,000 people, many of which create music for films, TV, and commercials. You can join today by clicking this link.
Agent-Musician Contract Template
One of the better contracts I've seen out there - Good reference.
Great Artist-Producer Management Contract
Accurate numbers, good terms.