Canadian folk singer-songwriter Joni Mitchell is shown in 1972.
Musicians Roger McGuinn, Joni Mitchell, Richi Havens, Joan Baez and Bob Dylan perform the finale of the The Rolling Thunder Revue, a tour headed by Dylan, in Dec. 1975
Joni Mitchell and Herbie Hancock perform as part of Nissan Live Sets on Yahoo! Music in Los Angeles on Thursday, March 20, 2008
(AP Photo/Mark Mainz)
Singer Joni Mitchell pauses during an interview in Toronto, May 2, 1988. After a 20-year career, Mitchell’s latest album, “Chalk Mark in a Rain Storm,” shows the Canadian singer’s evolution into a tougher, more issue-oriented chronicler of the era.