The First Presbyterian Church of San Antonio has a musical gift for San Antonians: Haydn’s “Creation”Oratorio performed by the Sanctuary Choir, Orchestra and soloists. It’s the epic musical oratorio retelling of the Genesis creation story by the great composer. (April 5 at 7 p.m.; First Presbyterian Church, 404 North Alamo St., 78205; 210-271-2730, www.fpcsanantonio.org; free) Another grand choir – The …