Tristan Prettyman Toby Lightman Ben Taylor Aslyn Renee Olstead Aqualung Michel Camilo Jamie Cullum Gato Barbieri Lelia Broussard Jeff Lorber Chris Spedding Bebo Valdes Kate Voegele Catherine Feeny David Gray Meiko Ismael Lo Hamburg Blues Band Damien Rice Priscilla Ahn La Rocca Antje Duvekot Lizzie West Gertrude'S Hearse Marlango Natasha Khan Pushim Merril Bainbridge Yael Naim Nikola Sarcevic Balance Problems Courtney Jaye Leona Naess Sara Lov Dawn Landes Jason Mraz Raul Midon The Boom Booms Shawn Mullins Jeff Buckley Ego-Wrappin' Set Sail Ben Taylor Band Humming House Barrelhouse Blues Band Rufus Wainwright Sara Watkins Das Dritte Ohr