Listen to Bellini: Norma / Act 1: Sediziose voci...Casta Diva online. Bellini: Norma / Act 1: Sediziose voci...Casta Diva is an Italian language song and is sung by Joan Sutherland, Chorus Of The Royal Opera House, Covent Garden, Orchestra Of The Royal Opera House, Covent Garden and Francesco Molinari-Pradelli. Bellini: Norma / Act 1: Sediziose voci...Casta Diva, from the album The Voice Of The Century, was released in the year 2006. The duration of the song is 8:02. Download Italian songs online from JioSaavn.