Analysis News Will music identification app prove to be an essential subscriber funnel for Apple? News Deal believed to be worth $400m News Joan Jett documentary Bad Reputation to premiere at Sundance, three more in production News Get your hands on an "extraordinary, game-changing publication" Analysis News Total company revenues will get somewhere near (or even above) $6bn News UnitedMasters has been set up by one-time President of Interscope Records, Steve Stoute News Exec previously worked at Concord Music News Expectation is that LP will sell around 1.2m in opening seven days