The UTC Symphony Orchestra Spring Concert, directed by Maestro Jooyong Ahn, will take place at the Roland Hayes Concert Hall - UTC Fine Arts Center, 752 Vine St., Chattanooga on Thursday, March 6, at 7:30 p.m. It will feature two of Mozart’s symphonies: Symphony No. 25 in G Minor, K. 183/173dB (1773), and Symphony No. 35 in D Major, K. 385 (“Haffner”). Admission is free.