Sonny and Eric Clapton perform “Promise Land” at the Crossroads Guitar Festival 2010.

Sonny unleashes his powerful sound backstage through a tiny practice amp at the Great American Music Hall in San Francisco, California, on Aug. 1, 2008, at Guitar Player Magazine’s Guitar Player Night.

Here’s a look at Sonny and Eric Johnson performing “The Milky Way Home” live at the Continental Club in Austin Texas on August 7, 2008. Thanks to mcchunkstyle.