[{"Performer":"U.D.O.","URL":"U-D-O"},{"Performer":"U.S. Bombs","URL":"U-S-Bombs"},{"Performer":"U2","URL":"U2"},{"Performer":"UB40","URL":"UB40"},{"Performer":"Ubahn Fest","URL":"Ubahn-Fest"},{"Performer":"Udo Dirkschneider","URL":"Udo-Dirkschneider"},{"Performer":"Ufo","URL":"Ufo"},{"Performer":"Ugly God","URL":"Ugly-God"},{"Performer":"Uhh Yeah Dude","URL":"Uhh-Yeah-Dude"},{"Performer":"Ultimate Doo Wop Show","URL":"Ultimate-Doo-Wop-Show"},{"Performer":"Ultimate Elvis Tribute Artist Tour","URL":"Ultimate-Elvis-Tribute-Artist-Tour"},{"Performer":"Ultimate Rap League (URL)","URL":"Ultimate-Rap-League-URL"},{"Performer":"Ultra Music Festival","URL":"Ultra-Music-Festival"},{"Performer":"Ummet Ozcan","URL":"Ummet-Ozcan"},{"Performer":"Umphrey's McGee","URL":"Umphreys-McGee"},{"Performer":"Una Storia Italiana","URL":"Una-Storia-Italiana"},{"Performer":"Unbroken","URL":"Unbroken"},{"Performer":"Uncle Kracker","URL":"Uncle-Kracker"},{"Performer":"Uncle Luke","URL":"Uncle-Luke"},{"Performer":"Uncured","URL":"Uncured"},{"Performer":"Under The Streetlamp","URL":"Under-The-Streetlamp"},{"Performer":"Underground System","URL":"Underground-System"},{"Performer":"Underoath","URL":"Underoath"},{"Performer":"Underworld","URL":"Underworld"},{"Performer":"Undiscovered Artist Showcase","URL":"Undiscovered-Artist-Showcase"},{"Performer":"Unforgettable - A Tribute To Nat King Cole","URL":"Unforgettable-A-Tribute-To-Nat-King-Cole"},{"Performer":"Unknown Hinson","URL":"Unknown-Hinson"},{"Performer":"Unspoken","URL":"Unspoken"},{"Performer":"unwed sailor","URL":"unwed-sailor"},{"Performer":"Upchurch The Redneck","URL":"Upchurch-The-Redneck"},{"Performer":"Upon A Burning Body","URL":"Upon-A-Burning-Body"},{"Performer":"Uppercut - Chicago Tribute","URL":"Uppercut-Chicago-Tribute"},{"Performer":"Upright Citizens Brigade","URL":"Upright-Citizens-Brigade"},{"Performer":"Usher","URL":"Usher"},{"Performer":"Usual Suspects","URL":"Usual-Suspects"},{"Performer":"Utah Symphony","URL":"Utah-Symphony"}]