Editor's note: This story has been updated with the correct box office number for Gretna Theatre, and with information on a Lancaster production of "Anastasia the Musical" in early August. Summer is ...

If you’re hankering to watch a cozy Amish mystery unfold, tap your feet to the music of an early rock ’n’ roll pioneer or enjoy revues of swing music, classic rock or Broadway show tunes, August is a ...