6. Emerson, Lake & Palmer
Considered to be a progressive rock supergroup, ELP found success in the ‘70s, selling over forty million albums and headlining large stadium shows. The band combined classical, jazz and rock and their sonic signature came from Emerson’s use of the Hammond organ and Moog synthesizer, as heard on such hits as “Lucky Man” and “”Karn Evil 9: 1st Impression, Pt. 2.”
Before the band transitioned into their Phil Collins-led ‘80s pop rock sound, they were a peculiar and experimental progressive rock act led by Peter Gabriel. The band’s concerts were theatrical experiences complete with innovative stage design, pyrotechnics, costumes and on-stage stories. They wrote lengthy compositions such as the 23-minute “Supper’s Ready” and famous concept albums such as 1974’s The Lamb Lies Down on Broadway.