Thank you for purchasing a ticket to O.A.R. with special guests American Authors on August 13th. We are reaching out to inform you that due to unforeseen circumstances involving show production, this concert is being moved from First Interstate Center for the Arts to Knitting Factory Concert House on the same night. All previously purchased tickets will be honored at the new venue on the night of the show. We apologize for any inconvenience this may cause.   Please note, the new venue is a General Admission - standing room venue.