“If there's anything more terrifying in pop culture than the supergroup, it surely must be the concept album. Who amongst the sane cannot want to erase all vestige of Styx's *Kilroy Was Here* or fail to succumb to multiple thromboses when Genesis' *Selling England by the Pound* threatens to make its dismal reappearance on audiophile 24k gold CDs? If we learn anything from this closing millennium, i”