"Blue" is the fourth studio album by Canadian singer-songwriter Joni Mitchell, released in 1971. The album features introspective, confessional songs with stripped-down arrangements that showcase Mitchell's unique vocal style and intricate guitar work. The lyrics are personal and raw, dealing with themes such as love, loss, and identity. The album's standout tracks include "All I Want," "River," and "A Case of You," which have become staples of Mitchell's repertoire. "Blue" is considered a seminal work in the singer-songwriter genre and has been influential on subsequent generations of musicians. It has also been recognized as one of the greatest albums of all time, frequently appearing on "best of" lists by publications such as Rolling Stone and Pitchfork.