27 Aimee Mann Avenged Sevenfold Banks Cage the Elephant Chantal Kreviazuk Conor Oberst Darker My Love Frank Ocean Grant-Lee Phillips John Cale Jonas Brothers Kanye West Lizzo Loudon Wainwright III Mary J. Blige Mike Campbell & The Dirty Knobs Niall Horan Queens of the Stone Age Rooney Ryan Adams Sam Phillips Sarah McLachlan Spock's Beard The Rentals The Smashing Pumpkins The Twilight Singers Vanessa Carlton Weyes Blood