Nev -- doesn't look like you read some of the thread above. The expectations were set a while ago. We knew that part of the deal was sending gigs my way. If I was going to give him all these gigs out the sky at professional rates then I expected him to book gigs for the group as agreed. His willingness to do that was what prompted me to bring him on as 1st call guy. He salved his conscience by telling me a half-truth about the purpose and nature of the band, and then turned it into a directly competing group. I won't repeat it all.
Again, you post here to get perceptions and angles you might have thought of, while not letting all the crap people post (personal attacks, assumptiosn about your character, pejorative labels) get to you. Talking comes later, if that is decided to be the best thing.