“La Diva Turca” died this morning in Milan. In tribute to the art of Leyla Gencer, here is the soprano in the final scenes of Bellini’s Norma at La Scala on January 13, 1965. She is joined in this performance by Bruno Prevedi (Pollione) and Nicola Zaccaria (Oroveso); Gianandrea Gavazzeni is the conductor. UPDATE: The…