90 Proof is a dual purpose venue, serving as a stand alone club used for private events. Featuring a full service bar, flat screen TVs and French Quarter style balconies, 90 proof is the perfect environment for your next private party or event. 90 Proof is located on the 3rd floor of Southbound. What really sets Southbound/90 Proof apart from the rest of the dance clubs in Knoxville, is the Old City courtyard and outdoor stage, located behind the venue. Capable of holding thousands of people comfortably. The Old City Courtyard is perfect for holding large concerts and has been the location of several sold out shows in the past.