This week's installment of Saturday Night At The Opera focuses on Spontini's La Vestale. Revered by the likes of Berlioz and Wagner, Spontini composed a masterpiece that is now considered a stepping stone between the Classical and Romantic traditions in opera. This live 1969 performance has a cast that includes Renato Bruson and the great diva Leyla Gencer in the title role. Stepan Atamian hosts.