Peter Gabriel

as Self

Chris Martin

as Self

Youssou N'Dour

as Self

Cat Stevens

as Self

Paul Shaffer

as Self

Carrie Underwood

as Self

Emmylou Harris

as Self

Bonnie Raitt

as Self

Sheryl Crow

as Self

Glenn Frey

as Self

Stevie Nicks

as Self

Bruce Springsteen

as Self

Dave Grohl

as Self

Krist Novoselic

as Self

Pat Smear

as Self

Joan Jett

as Self

Gary Ryan

as Self

Miley Cyrus

as Self

Tommy James

as Self

Zac Brown

as Self

Tom Morello

as Self

Jason Ricci

as Self

Stevie Wonder

as Self

Bill Withers

as Self

John Legend

as Self

Doyle Bramhall II

as Self

Gary Clark Jr.

as Self

John Mayer

as Self

Jimmie Vaughan

as Self

Roger Joseph Manning Jr.

as Self

Beck

as Self

Nate Ruess

as Self

Ringo Starr

as Self

Joe Walsh

as Self

Paul McCartney

as Self

Ian Gillan

as Self

Steve Morse

as Self

Ian Paice

as Self

Roger Glover

as Self

Don Airey

as Self

Joan Baez

as Self

Mary Chapin Carpenter

as Self

Amy Ray

as Self

Emily Saliers

as Self

Geddy Lee

as Self

Jason Falkner

as Self

St. Vincent

as Self