Appearing in the Sing Hosanna! production of “Shrek the Musical” are, from left, Scott Shearer, Carrie Persichini, Rachel Creaturo (as the Dragon), Nathan Rockcastle and Matt Nocera. The show opens at 7:30 p.m. today and continues at 7:30 p.m. Friday and Saturday and at 2 p.m. Sunday at the Succop Theater at Butler County Community College. All seats are $15 and are not reserved. Tickets are available at May’s Music Shoppe, 247 E. Jefferson St. Call 724-287-8362 for information.