IB tease

CULTURE CLASH: At the tail end of the previous century, somebody at Edgar Bronfman Jr.'s UMG decided that the Island and Def Jam labels would make a nifty combination. Here's how this wacky music-biz saga ends, a decade and a half later, as told by our own I.B. Bad. Or, in the endlessly relevant words of Dan Wilson: "Closing time/Every new beginning comes from some other beginning's end." (4/11a)