Perry Power

PERRY POWER: CMT's Jay Frank, whose FUTUREHIT.DNA tome has established a new standard to judge hit singles in the digital age, has noted that one out of every 32 new tracks downloaded over the first six months of the year was a Katy Perry song, representing 3.2% of all new music purchased that way. For more of his pointed observations at the half-year mark, go to his blog here. (7/7p)