The Cowsills

The real-life inspiration behind the hit television series The Partridge Family, the Cowsills -- comprised of teen siblings Bill, Bob, Barry, John, Susan, and Paul in tandem with mother Barbara -- were one of the biggest pop acts of the late '60s, scoring a series of hits including "The Rain, the Park and Other Things" and "Hair" with their angelic harmonies and sun-kissed melodies. Not considered especially hip at the peak of their popularity, the band's clean-cut image and bubblegum-style marketing obscured the fact that the Cowsills were superb harmony singers and capable i...