Another highlight came when Marsalis, playing a muted trumpet, went to the front of the stage to play alongside Crosby and Nash on a tender, intimate trio version of Crosby's folk ballad "Guinnevere, " which trumpeter Miles Davis covered in a 1970 recording.

WSJ: Crosby, Stills and Nash get jazzy with Marsalis

His most recent effort, the sprawling 17-song folk tale My Name Is Buddy, revisits the Dustbowl ballad form and Depression-era road songs.

NPR: A Dustbowl Lament from an American Chameleon