@Alberta Bair Theater $20-74 Billings Symphony Chorale Christie Conover, soprano Francis Poulenc | Gloria Pyotr Ilyich Tchaikovsky | Symphony No. 5 The Billings Symphony Orchestra and Billings Symphony Chorale collaborate on an extraordinary season finale! The breathtaking beauty of Poulenc’s Gloria and the symphonic magnificence of Tchaikovsky’s Symphony No. 5 will resonate in your heart and soul.