Ronald Demkee, left, Conductor, Allentown Band, with Eric Gombert, Cantor, St. John's Evangelical Lutheran Church, 37 S. Fifth St., Allentown. Gombert accompanied the band on the church organ at the Sept. 30 Arts at St. John's concert. Upcoming: “A Weekend with David Baskeyfield,” English virtuoso organist, “The Phantom Of The Opera,” silent film, organ accompaniment, costume dressup, 7:30 p.m.