This week on Open Air, host David Latulippe has a conversation with Dutch conductor and Baroque specialist Ton Koopman, who conducts two weeks of music by JS Bach and son CPE Bach at the San Francisco Symphony; French playwright Samuel Gallet and Cutting Ball Artistic director Rob Melrose talk about about the American Premiere of Communiqué N°10, which is part of the month-long festival Des Voix... Found in Translation 2014, about French film and theater; and comedian, writer, and actor Bruce Vilanch shares details about his role in 42nd Street Moon’s production of Cole Porter’s “Du Barry Was A Lady.” Plus, San Francisco Chronicle's music critic Joshua Kosman offers his classical music picks for the month of May. Open Air with David Latulippe, originally broadcast on May 1, 2014. Listen now or anytime...