with Neil Young + Promise of the Real, Dixie Chicks, Sheryl Crow, Ryan Adams, St. Vincent, Gary Clark Jr., Spoon

with Neil Young + Promise of the Real, Dixie Chicks, Sheryl Crow, Ryan Adams, St. Vincent, Gary Clark Jr., Spoon, Nils Lofgren

with The Barr Brothers

with Jackson Browne

with Jenny O.

with Jenny O.

with Jenny O.

with Jenny O.

with Robert Plant

with Joseph Arthur, Stephen Marley

with Bedouin Soundclash, The Roots

with Grace Potter & The Nocturnals

with The Orbans

with The Orbans

with The Orbans

with The Orbans

with Rebelution

with Rebelution, Galactic, Ozomatli, Mumford & Sons, Thievery Corporation

with Keb' Mo', Crosby, Stills & Nash, Jackson Browne