 Prince's version of "A Case of U" appeared on "A Tribute to Joni Mitchell", a 2007 compilation released by Nonesuch Records, which also featured Björk ("The Boho Dance"), Caetano Veloso ("Dreamland"), Emmylou Harris ("The Magdalene Laundries"), Sufjan Stevens ("Free Man in Paris") and Cassandra Wilson ("For the Roses"), among others.Several other songs reference Joni Mitchell.The song "Our House" by Graham Nash refers to Nash's two-year affair with Mitchell at the time that Crosby, Stills, Nash and Young recorded the "Déjà Vu" album.