Tulsa Symphony: Soloist for Knoxville Summer of 1915. Principal Guest Conductor Daniel Hege leads the TSO in this exciting program featuring Walton’s Spitfire: Prelude and Fugue, Barber’s Knoxville: Summer of 1915 – featuring soprano Martha Guth, Khachaturian’s Masquerade Suite, and Shostakovich’s Powerful Symphony No. 9.