Genesis' hummable hit singles are tough to resist. Genesis Live: The Way We Walk Volume Two: The Long, a dreary compilation of live epics, however, is the band's Mr. Hyde side. The record spotlights warmed-over foofaraw from the '70s (''The Lamb Lies Down on Broadway'') as well as some warmed-over progressive ideas, most horrifyingly on the closing song, ''Drum Duet.'' I listened to it. You don't have to. D

