Crosby Stills & Nash

William Dart looks at the phenomenon of the supergroup, setting off with Cream in the 1960s and ending with the homegrown Sundae Painters, the final project of the late Hamish Kilgour. Audio

On this week's show Mark plays birthday tunes for BB King and Hank Williams and previews live dates from Ebony Lamb, Reb Fountain and Joe Pug. There's also tracks courtesy of John Prine and Iris… Audio