Lisa Hannigan Jenny Owen Youngs Emmy The Great Thao Alana Henderson Laura Marling Paper Rival Wild Sweet Orange Lex Land Blind Pilot Aidan Hawken Noah And The Whale Los Campesinos Damien Rice The Temper Trap Spinto Band Marketa Irglova And Glen Hansard Tift Merritt Ellen And The Escapades Tiny Ruins Red Bird Little Eye The Riptide Movement Kathryn Williams Feist Regina Spektor Mick Flannery The Weepies Delays Mark Geary Johnsmith Mic Christopher A Toys Orchestra Joel Zifkin Leddra Chapman Patrizia Laquidara Paul Otteson Francesca Belmonte Ingrid Michaelson Silver Trees Marie-Claire Berreen Plup The Family Tree Shelby Flint Shaun Kirk Mongoose The Open Sea Mara Carlyle Firekites