Strategies that Work When Property Rights Don't - a recent chapter by Anand and Galetovic. Get it while you can. Chock a block full of interesting examples from the music industry and even sports mgmt. Argues that labels/publishers should shift businesses to where they can capture rents - ie complementary goods file-sharers actually buy.
If you're not technical, skip the beginning-middley bits and go to the latter 3rd.