As major labels quietly lobby Apple to bring variable pricing to its iTunes store, some indies are taking matters into their own hands. Last week, New York-based hip-hop label Definitive Jux launched

As major labels quietly lobby Apple to bring variable pricing to its iTunes store, some indies are taking matters into their own hands. Last week, New York-based hip-hop label Definitive Jux launched its own download store. Read Todd Martens' column.