2015's full line up included:
The Weeknd / Chance The Rapper / Cake / Flying Lotus / Fitz & The Tantrums / Lindsey Stirling / Jhené Aiko / Atmosphere / The Airborne Toxic Event / Keys N Krates / Babes In Toyland / Kacey Musgraves / Elephant Revival / Rac Live / Deep Creep / Jamestown Revival / Chris Stapleton / The White Buffalo / Elle King / Phoebe Bridgers / On An On / Raz Simone / Lil Dicky / Soft Sleep / Grace Love & The True Loves / Big Scary / Motopony / Smokey Brights / K. Flay / Duke Evers / Zach Van LueFaith No More / Zedd / Social Distortion / Brand New / Flosstradamus / Neko Case / Punch Brothers / Tchami / The Melvins / Paper Diamond / Lee “SCRATCH” Perry & Subatomic Sound System / The Cave Singers / Classixx / Dead Moon / Nikki Lane / Salva / Moon Hooch / Mikal Cronin / Fox And The Law / Israel Nash / Chimurenga Renaissance / Unlikely Friends / Hibou / Cambodian Space Project / Constant Lovers / The Fame Riot / Tracksuit Wedding / Jaden Carlson Band / Ellie Goulding / Hozier / Bassnectar / Ben Harper & The Innocent Criminals / Brandon Flowers / Borgore / Devotchka / Peaches / Minus The Bear / Big Data / The Floozies / Hey Marseilles / Børns / Emancipator / Nahko & Medicine For The People / Kris Orlowski / Nacho Picasso / Colony House / Finish Ticket / Grizzled Mighty / Nathaniel Rateliff & The Night Sweats / Brothers From Another – Dave B Bread & Butter / Lonesome Shack / Sisters