LAW & DISORDER: The so-called “trial of the century” is just one of the items on I.B. Bad’s mind this week. In his latest column, our in-house pundit also looks at the unflappable Hoosiers of the Big Four (guess who?), and the growing field of media-selected candidates for the top gig at Sony Music, as well as wondering what sort of blueprint Lyor Cohen is drawing up for his extreme makeover of Warner Bros. Records. All in all, just another nutty week in the music biz. (10/22a)