On April 20, the Pittsburgh Symphony Orchestra will open the inaugural Music for the Spirit Festival in grand fashion with “Singing City,” a large-scale, historic concert event at the University of Pittsburgh’s Petersen Events Center. “Singing City” marks a cultural milestone for the city of Pittsburgh and will feature Music Director Manfred Honeck and the Pittsburgh Symphony Orchestra in performance with an ensemble of over 2,200 voices from professional choirs, university choirs, high school choirs, members of religious-affiliated choirs, and more from the Pittsburgh region and surrounding areas. Repertoire highlights include the Chorale Finale of Mahler’s Symphony No. 2 “Resurrection,” as well as the world premiere of a newly commissioned work for a cappella choir by Pittsburgh native, Jonny Priano. A major goal of “Singing City” is to reach a large and diverse audience, emphasizing the tremendous power that music has to bring people together and promote a spiritual and universal message. Tickets are available at all Ticketmaster locations including select Giant Eagle’s, Macy’s and FYE locations, TicketMaster CHARGE-BY-PHONE at 800-745-3000 or www.ticketmaster.com.