The summer of 1967 was all about exploring brave new sounds.
Grand Funk's commercial descent began with the December 1974 release of 'All the Girls in the World Beware!!!'
Joe Walsh joined the Eagles in December 1975.
Things moved a lot more quickly at the end of the '60s.
Elvis Costello gave shape to his own budding career with a rebellious move on 'Saturday Night Live,' switching mid-song into a diatribe against corporate-controlled broadcasting -- and getting himself banned from the show for a dozen years.
Like any rootin', tootin' Texas good old boy, ZZ Top bassist Dusty Hill has spent his fair share of time packing heat -- and he has the scar in his belly to prove it.
Jimmy Page sat in with Robert Plant in London on Dec. 13, 1983.
Mick Taylor quit the Rolling Stones in December of 1974.
Even the Clash were tired of their reputation as a punk band by 1979.
Jim Morrison was already in a headlong downward spiral by the time he performed his final show with the Doors.