Cast:
Paul McCartney, Ringo Starr, David Letterman, LL Cool J, Eric Idle, Kate Beckinsale, Anna Kendrick, Jeff Bridges, Sean Penn, Jesse Carmichael, Mickey Madden, James Valentine, Matt Flynn, PJ Morton, Sam Farrar, Stevie Wonder, Jeff Lynne, Joe Walsh, Dhani Harrison, Ed Sheeran, Keith Urban, Dan Reynolds, Wayne Sermon, Ben McKee, Daniel Platzman, Dave Grohl, Annie Lennox, Dave Stewart, John Legend, Alicia Keys, Brad Paisley, Pharrell Williams, Gary Clark Jr., Don Was, Steve Lukather, Peter Frampton, Rami Jaffee, Greg Phillinganes, Kenny Aronoff, Lenny Castro, Kari Kimmel, Judith Hill, Carmel Echols, Adam Levine, John Mayer
