David Van Cortlandt Crosby, born on August 14, 1941, in Los Angeles, California, was an American singer, songwriter, and guitarist whose influence on popular music spanned more than five decades. He first rose to prominence in the mid-1960s as a founding member of the Byrds, a band that helped pioneer the genres of folk rock and psychedelia. The group achieved their first number-one hit in 1965 with a cover of Bob Dylan's "Mr. Tambourine Man," and Crosby appeared on the Byrds' first five albums as well as the original lineup's 1973 reunion album. His tenure with the Byrds established him as a distinctive vocalist and innovative rhythm guitarist, though his outspoken nature often put him at odds with his bandmates.

In 1968, Crosby co-founded the supergroup Crosby, Stills & Nash with Stephen Stills and Graham Nash. Their self-titled debut album, released in 1969, won the Grammy Award for Best New Artist of that year, and the group's intricate vocal harmonies and socially conscious songwriting helped popularize the California sound of the 1970s. The trio, occasionally expanded to include Neil Young as Crosby, Stills, Nash & Young, remained active in various configurations for decades, with reunions occurring in every decade from the 1970s through the 2000s. Alongside his work with CSN, Crosby also recorded three gold albums in the 1970s as part of the duo Crosby & Nash, further cementing his reputation as a prolific and collaborative artist.

Crosby's solo career, though sporadic, produced eight studio albums over his lifetime. His debut, If I Could Only Remember My Name, arrived in 1971 and was followed by a long gap before his next releases. The final five solo records, beginning with Croz in 2014, came in the last decade of his life and demonstrated a late-career renaissance that earned critical acclaim. In addition to his solo work, he formed the jazz-influenced trio CPR with his son James Raymond and guitarist Jeff Pevar, showcasing his versatility as a musician. Crosby also frequently contributed to recordings by other artists, including Joni Mitchell, Jefferson Airplane, Jackson Browne, James Taylor, Elton John, and David Gilmour, making him a ubiquitous presence in the folk-rock and classic rock scenes.

Throughout his career, Crosby was as well known for his turbulent personal life and outspoken political views as for his music. He was often depicted as an emblematic figure of the 1960s counterculture, and his battles with substance abuse and legal troubles were widely publicized. Despite these challenges, his artistic output remained substantial. His combined work with the Byrds and CSNY has sold over 35 million albums, and he was inducted into the Rock and Roll Hall of Fame twice, once for his work with the Byrds and once for his contributions to Crosby, Stills & Nash. Five albums to which he contributed are included in Rolling Stone's list of "The 500 Greatest Albums of All Time," three with the Byrds and two with CSN(Y). Beyond music, he made occasional acting appearances, including a memorable role as a member of Captain Hook's pirate crew in the 1991 film Hook. David Crosby passed away on January 18, 2023, leaving behind a legacy as one of the most influential and enduring figures in American popular music.