Calvary Christian School students rehearse their musical, Jailhouse Rock, on Wednesday. The performance is set for 7 p.m. Friday at Calvary Baptist Church and features students in grades 1 through 4. Admission is free. The story follows children at a summer camp who begin to identify with people in the Bible who were imprisoned and realize that though they may be outwardly confined, Jesus can provide freedom from sin. The musical is under the direction of Aaron Eberly and Carol Sanborn. (EXAMINER PHOTO | JOEL E. MAST)