Special guests and regular performers have included Sting, Gary Oldman, Adrian Belew, Seal, Ewan McGregor, Jerry Harrison, Gavin Rossdale, Mike Garson, Bernard Fanning, Simon Le Bon, Earl Slick, Corey Taylor, Gerry Leonard, Perry Farrell, Catherine Russell, Kate Pierson (B52s), Darren Criss, Ian Astbury (The Cult), Gaby Moreno, Joe Elliot, Angelo Moore, Carmine Rojas, Zachary Alford, Joe Sumner, Living Colour, Tony Hadley (Spandau Ballet), Kazuya Yoshii (Yellow Monkey), Mr Hudson, Sterling Campbell, Tom Chaplin (Keane), La Roux, Paul Dempsey (Something For Kate), guitarist Josh Smith, Gail Ann Dorsey, Christy Dignam (Aslan), The London Community Gospel Choir, The Harlem Gospel, The Selah Gospel Choir, Magik*Magik Orchestra, and Former International Space Station Commander Chris Hadfield.