The members of rock's first supergroup each had successful recording careers before coming together: Crosby with the Byrds, Stills and Young with Buffalo Springfield, and Nash with the Hollies. Leading music critics cast fresh light on their career.

The Mamas and Papas were a four-piece folk act whose high harmonies and blend of easygoing, trippy originals with nicely stylized covers virtually soundtracked the late '60s. Leading music critics cast fresh light on the career of The Mamas and Papas.