Crosby, Stills & Nash are an iconic folk-rock supergroup formed in 1968, bringing together the talents of David Crosby, Stephen Stills, and Graham Nash. Known for their intricate three-part harmonies and socially conscious songwriting, they created some of the most beloved albums of the 1960s and 70s, including their self-titled debut and "Déjà Vu." Their timeless music continues to influence generations of musicians and remains a cornerstone of classic rock history.