Larry Taylor of Canned Heat and Garland Jeffreys take us back to the roots of rock 'n' roll. Patty Griffin, Bob Weir, and The Midnight Ramble Band join Larry and Teresa for an outdoor concert to celebrate the 40th anniversary of The Last Waltz. That winter Mark visits Larry and Teresa one last time. Music: Time Out for the Blues; Contortionist; Evangeline; Farther Down the Road; Chest Fever.