Flashback: Joni Mitchell Plays a Gorgeous Version of 'A Case of You'

When Joni Mitchell recorded “A Case of You” for her 1971 masterpiece Blue, the track included guitar backing from James Taylor, her boyfriend at the time. But onstage in London on April 22nd, 1974, Mitchell performed it alone, befitting the song’s lyrics: It’s a song about the first blush of…