Blue is the fourth studio album by Canadian singer-songwriter Joni Mitchell, released on June 22, 1971, by Reprise Records. Written and produced entirely by Mitchell, it was recorded in 1971 at A&M Studios in Hollywood, California. Created just after her breakup with Graham Nash and during an intense relationship with James Taylor, Blue explores various facets of relationships from love on "A Case of You" to insecurity on "This Flight Tonight". The songs feature simple accompaniments on piano, guitar and Appalachian dulcimer. The album peaked at number 3 on the UK Albums Chart, number 9 on the Canadian RPM Albums Chart and number 15 on the Billboard 200.

Roberta Joan "Joni" Mitchell is a Canadian-American singer-songwriter, multi-instrumentalist, and painter. As one of the most influential singer-songwriters to emerge from the 1960s folk music circuit, Mitchell became known for her personal lyrics and unconventional compositions which grew to incorporate pop and jazz elements. She has received many accolades, including eleven Grammy Awards and induction into the Rock and Roll Hall of Fame in 1997. Rolling Stone called her "one of the greatest songwriters ever", and AllMusic has stated, "Joni Mitchell may stand as the most important and influential female recording artist of the late 20th century."