Levon Helm, Kris Kristofferson, Donald Fagen, Rosanne Cash, Marianne Faithfull, Eric Burdon, Ewan McGregor, Carly Simon, Shawn Mullins, Taj Mahal, Angélique Kidjo, Carl Carlton, Larry Campbell, Jane Birkin, Emmanuel Jal, The Blind Boys of Alabama, Amy Helm, Arno, Axelle Red, Christine and the Queens, David D'or, Essie Jain, Gentleman, Jimmy Barnes, John Leventhal, JP Nataf, Keb' Mo', Mahalia Barnes, Max Buskohl, Moses Mo, Nacho Campillo, Pascal Kravetz, Sari Schorr, Saúl Hernández, Sir Samuel, Sonny Landreth, Sussan Deyhim, Teresa Williams, Vida Simon, Warren Haynes, Gaby Moreno & Florent Pagny