Normally, when a large crowd of Pittsburghers are waving items, they're waving Terrible Towels and cheering on the Steelers. On Saturday night, however, the full house at East Liberty Presbyterian Church was waving Union Jacks and singing "Rule Britannia!" during the Mendelssohn Choir's first performance of the 2016-2017 season, "The Music of Downton Abbey."
Music Director Matthew Mehaffey made his Mendelssohn debut in splendid form as...
