IB on The Voice, Christina

DIRRTY WORK: Hardly anyone, including UMG, expects The Voice to throw off any significant record sales aside from those from the coaches themselves, whose camps are reportedly feuding over the fact that Christina Aguilera’s $10 million salary is double those of the other three. When will Aguilera use the prime-time platform to launch her next album, as her fellow coaches have done? By the way, this piece of info and the Aerosmith/Idol item above are from I.B. Bad’s latest column, posting first thing Friday morning. (5/17a)