The St. Olaf Choir centennial concert at Luther Memorial is Saturday, Jan. 28 at 8 p.m. Tickets ($20 each; $10 with student id) are only available online at http://stolaftickets.universitytickets.com/.

Learn more about the St. Olaf College Choir on their website at http://www.stolaf.edu/music/stolaf_choir/about.html.