Listen to Norma: "Casta diva!" (Norma, Coro) online. Norma: "Casta diva!" (Norma, Coro) is a German language song and is sung by Orchestra Del Teatro Alla Scala Di Milano, Antonino Votto, Maria Callas and Coro Del Teatro Alla Scala Di Milano. Norma: "Casta diva!" (Norma, Coro), from the album The Ultimate Opera Box - The 250 Greatest Pieces of Opera, was released in the year 2015. The duration of the song is 6:53. Download German songs online from JioSaavn.