Listen to Norma, Act I: "Casta Diva" (Norma's Aria) online. Norma, Act I: "Casta Diva" (Norma's Aria) is an English language song and is sung by Boris Hinchev, Zvetelina Vasileva, Bulgarian National Choir and Sofia Symphony Orchestra. Norma, Act I: "Casta Diva" (Norma's Aria), from the album Italian Café Music: 99 Must-Have Italian Dinner Classics, was released in the year 2017. The duration of the song is 7:00. Download English songs online from JioSaavn.