In our review of the Smashing Pumpkins' very good new album, Oceania, I proclaimed the LP's third track, "The Celestials," to be "the catchiest song Billy Corgan has written since '1979.'" On Friday, Corgan showed up at Los Angeles's KROQ to play a couple new numbers "unplugged" and what does he do first? That's right: "The Celestials." He followed that ...