Airs Saturday, March 21, at 12 noon. The 2014-15 Metropolitan Opera Radio Broadcast season continues with a live broadcast of Massenet’s tragic romance Manon. It stars soprano Diana Damrau and tenor Vittorio Grigolo, who have made their Met role debuts as the title character and her devoted lover, the Chevalier des Grieux. Emmanuel Villaume conducts the performance, also featuring Russell Braun as Manon’s cousin, Lescaut, and Nicolas Testé as the Chevalier’s father, the Comte des Grieux. Manon will be heard live over the Toll Brothers-Metropolitan Opera International Radio Network at 12:00 p.m. CT on Saturday, March 21.