GC organ professor Christine Thögersen and her organ students will present a recital of organ music by Johann Sebastian Bach, in commemoration of the composer's 325th birthday. The recital will be performed on "Opus 41," Rieth Recital Hall's Taylor & Boody pipe organ. Joining Thögersen are three Community School of the Arts organ students: Eva Lapp, Carol Weirich, and Benjamin Wiebe. Tickets are $7 adults, $5 seniors/students, available at the door one hour before the concert. GC students are free with ID.