An English band steeped in harmony, a reggae pioneer, progressive rockers who thrived despite a defection, four Swedes who combined their nation's traditions with their rock heroes and a man who prowled a ballroom floor singing 'I Wanna Be Your Dog' wouldn't seem to have much in common.

But for a night they did, as The Hollies, Jimmy Cliff, Genesis, ABBA and Iggy Pop's Stooges accepted induction into the Rock and Roll Hall of Fame on Monday -- a ceremony almost as notable for who wasn't there as who was.