WHITESNAKE (30TH ANNIVERSARY SUPER DELUXE EDITION)Whitesnake: David Coverdale (vocals); John Sykes (guitar); Neil Murray (bass); Aynsley Dunbar (drums). Additional personnel: Bill Cuomo (keyboards). Prior to 1987, Whitesnake was little more than a cult heavy metal band in the U. S. Its previous album, 1984's SLIDE IT IN, sparked interest amongst headbangers, yet failed to deliver lucrative crossover success. But that all changed with its self titled release that same year by streamlining its early