LOS ANGELES, CA - OCTOBER 28: Recording artist Joni Mitchell performs during the Thelonious Monk Jazz Tribute Concert For Herbie Hancock at the Kodak Theatre on October 28, 2007 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images)
LOS ANGELES, CA - OCTOBER 28: Recording artist Joni Mitchell performs during the Thelonious Monk Jazz Tribute Concert For Herbie Hancock at the Kodak Theatre on October 28, 2007 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images)