Tedeschi Trucks Band perform "The Letter" from Joe Cocker's Mad Dogs & Englishmen album at Gathering of the Vibes on July 31, 2015.

Catch TTB's very special Mad Dogs & Englishmen tribute set, only at the Lockn' Festival on September 11, 2015. Click here for more info: http://www.locknfestival.com/artists-...