Music by Francis Poulenc; Libretto by Francis Poulenc and Emmet Lavery; From the drama by Georges Bernanos, based on the novel by Gertrude von Le Fort; William Lumpkin, conductor; Sharon Daniels, stage director. A poignant look at the French Revolution through the eyes of a young aristocrat who enters a Carmelite convent in Compiegne to deal with her pathological fear of life, only to witness the revolution unfold around her. Based on the true story of the thirteen sisters of Compiegne, whose defiance of the revolution's dictates led to their martyrdom at the guillotine. In English, with translation by Joseph Machlis. Dialogues of the Carmelites runs April 19-22. Presented by the Boston University College of Fine Arts. Tickets now on sale: $20 general public, $15 BU alumni, WGBH members, Huntington subscribers, and senior citizens; $5 students with ID; BU community: two free tickets with BU ID at the door, day of performance.