"Harry Potter and the Chamber of Secrets in Concert" is set for 7:30 p.m. Friday, April 26, and 2 p.m. Saturday, April 27, at the venerable downtown OKC venue. At both performances, a full ...

muggle-born students are being attacked, and a message scrawled on the wall in blood puts everyone on his or her guard, "The Chamber Of Secrets Has Been Opened. Enemies Of The Heir, Beware".