David Van Cortlandt Crosby is an American singer, songwriter and musician. In addition to his solo career, he is also a founding member of Byrds and Crosby, Stills & Nash. Crosby joined Byrds in 1964. The group gave Bob Dylan their first hit in April 1965 with "Mr. Tambourine Man". Crosby appeared on Byrds' first five albums and produced a 1973 reunion album from the original lineup. In 1967, he joined Buffalo Springfield on stage at the Monterey Pop Festival, helping to get him fired from Byrds. He then founded Crosby, Stills & Nash in 1968 with Stephen Stills and Graham Nash of the Hollies. After releasing their debut album, CSN won a Grammy Award for Best New Artist of 1969 .

Guitarist, singer, and songwriter who was a member of the classic rock bands The Byrds and Crosby, Stills, Nash, and Young.