Crosby Stills Nash & Young

CROSBY STILLS & NASH (CSN). Influential folkrock supergroup active since 1968 made up of David Crosby / Stephen Stills and Graham Nash. They are known as CSNY when joined by occasional fourth member Neil Young. They are noted for their outstanding intricate vocal harmonies, often tumultuous interpersonal relationships, political activism and their lasting influence on US music and culture. Amazingly all four members of CSNY have been inducted into the Rock and Roll Hall of Fame twice