por Aloe Blacc, Eric Church, Sheryl Crow, John Fogerty, Peter Frampton, Brandon Flowers, Juanes, Kris Kristofferson, Pat Monahan, Tom Morello, Willie Nelson, The Roots, Spoon, Chris Stapleton & Steven Tyler
Aloe Blacc, Eric Church, Sheryl Crow, John Fogerty, Peter Frampton, Brandon Flowers, Juanes, Kris Kristofferson, Pat Monahan, Tom Morello, Willie Nelson, The Roots, Spoon, Chris Stapleton & Steven Tyler