Peter Shaffer's Tony-winning Amadeus (which became an Oscar-winning film) depicts the flamboyant genius of Wolfgang Amadeus Mozart as seen through the eyes of his desperately jealous contemporary, composer Antonio Salieri. Edward Gero stars as Salieri and Sasha Olinick as Mozart in a production directed by Mark Ramont. Now to June 5. Round House Theatre, 4545 East-West Highway, Bethesda. Tickets are $25 to $60. Call 240-644-1100 or visit roundhousetheatre.org.