Shirley Jones, US actress and singer, Brian Forster, US actor, Suzanne Crough, US actress, Susan Dey, US actress, Danny Bonaduce, US actor, and David Cassidy, US actor and singer, pose leaning out of the windows of a bus in a group portrait issued as publicity for the US television series, 'The Partridge Family', USA, circa 1973. The sitcom starred Jones as 'Shirley Renfrew Partridge', Forster as 'Chris Partridge', Crough as 'Tracy Partridge', Dey as 'Laurie Partridge', Bonaduce as 'Danny Partridge', and Cassidy as 'Keith Douglas Partridge'. (Photo by Silver Screen Collection/Getty Images)
Clarence Carter performs during the 32nd Annual Chicago Blues Festival at Grant Park on June 12, 2015 in Chicago, Illinois. (Photo by Paul Natkin/WireImage)
Clarence Carter performs during the 32nd Annual Chicago Blues Festival at Grant Park on June 12, 2015 in Chicago, Illinois. (Photo by Paul Natkin/WireImage)
International funk and disco band, Heatwave, performing, acrobatically on stage, USA, August 1978. Left to right: Roy Carter, Keith Wilder, Mario Mantese, Johnnie Wilder, Jr (1949 – 2006) and Eric Johns. The group are on the same bill as The O'Jays. (Photo by Michael Putland/Getty Images)
