(Photo credit: Brandon Patoc) For its 2026 season, Highmark Mann Center for the Performing Arts celebrates its 50th anniversary at Fairmount Park. This article only features classical music events. Highmark Mann’s newly commissioned oratorio, “A Hundred Years On” by Peter Boyer and Mark Campbell celebrates the 1876 Centennial Exposition, which took place in Fairmount Park. Soloists include sopranos Mary Dunleavy, {…}