Singer John Mayer, 30, who's currently touring Europe and last released fresh product at the end of 2006, is hinting that he might retire soon, and certainly will never release another album. "I'm not sure when I'll come back with another record," he says. "I feel like I've done everything I can do with this set of tools." And if by "set of tools" he means his junk, he's not lying. But his idea of retiring is sketchy. You'll remember that at the beginning of May he pledged "to grow and maintain an authentic '80s style feathered haircut," and than never happened. (Contact Music; photo: INF)