Dennis, played by Trey Goettemoeller, rocks out on the guitar during a medley of "Teddy Bear" and "Hound Dog" during Monday night's dress rehearsal for "All Shook Up" at Marion Local High School. Performances are 7 p.m. Thursday, 8 p.m. Friday, 7 p.m. Saturday and 2 p.m. Sunday at the high school gym. Tickets are $10 for adults and $8 for students and can be purchased by following the link on the Marion Local District home page at marionlocal.org.