The Bard may be scratching his head, but Falco would be proud. The Georgia Shakespeare Festival sheds its history of period productions and embarks on Peter Shaffer's award-winning AMADEUS. The first show of the season, it opens JUNE 15 and will be performed in repertory through Aug. 12. John Ammerman takes the GSF stage as Salieri, the jealous composer who conspires against his younger competition Wolgang Amadeus Mozart. Oh, rock me, Amadeus. Conant Performing Arts Center on the Oglethorpe University campus, 4484 Peachtree Road. $20-$27. 404-264-0020. www.gashakespeare.org.