Separate from both of their solo careers and their work in supergroup Crosby, Stills, Nash &Young, Crosby & Nash formed in the early 1970s to highlight the collaborative chemistry and harmoniousness shared by singer/songwriters David Crosby and Graham Nash. Throughout the '70s, the duo released three studio albums, several live collections, and provided backing vocals for some of the decade's most important albums, including appearances on landmark works by Neil Young, Joni Mitchell, James Taylor, Carole King, Jackson Browne, and many others. The duo recorded one final eponymo...