On the program: “Variations on a Theme by Haydn,” by Brahms; “2020: Insidiodyssey,” by Devoe; “The Swan of Tuonela,” by Sibelius; and “Symphony No. 3 in One Movement,” by Sage City Symphony cofounder Louis Calabro. Post-concert reception with hors d’oeuvres, cake, and a cash bar. A special commemorative 18″ x 24″ 50th anniversary poster will be available for $20; advance orders may be placed at www.SageCitySymphony.org. Admission is free and open to all. Donations are gratefully received by mail at Sage City Symphony, PO Box 547, Shaftsbury, VT 05262 or online via www.SageCitySymphony.org.