"Grease," the most famous rock 'n' roll musical ever written, opens July 10 at the Pines Dinner Theatre, 448 N. 17th St., Allentown, and runs through Aug. 23. Matinees are 12:30 p.m. for dinner and 2 p.m. for the show on Wednesdays, Thursdays and Sundays. Evening shows are 6:30 p.m. for dinner and 8 p.m. for the show on Fridays and

Saturdays. For tickets and more information, call 610-433-2333 or online atwww.pinesdinnertheatre.com.