Airs Saturday, March 14, at 12 noon. The 2014-15 Metropolitan Opera Radio Broadcast season continues with the live network premiere of La Donna del Lago, Rossini's opera about romantic and political upheaval in 16th-century Scotland. The virtuoso cast is led by mezzo-soprano Joyce DiDonato in the title role of Elena, the "Lady of the Lake," and tenor Juan Diego Flórez as King James V, who falls in love with her. Mezzo-soprano Daniela Barcellona sings the role of Elena’s beloved Malcolm, and tenor John Osborn is the King's sworn enemy, the highland chief Rodrigo, to whom Elena is betrothed. The acclaimed young bel canto maestro Michele Mariotti conducts. La Donna del Lago will be heard live over the Toll Brothers-Metropolitan Opera International Radio Network at 12:00 p.m. CT on Saturday, March 14.