Sissel Kyrkjebø (Norwegian pronunciation: [ˈsɪsəl ˈçʏʁçəˌbʷøː], /ˈsisel ˈçyrçeˌbø/; born 24 June 1969), also simply known as Sissel, is a Norwegian soprano. Sissel is considered one of the world's top crossover sopranos, her musical style ranges from pop recordings and folk songs, to classical vocals and operatic arias. She possesses a "crystalline" voice and wide vocal range, sweeping down from mezzo-soprano notes, in arias such as Mon cœur s'ouvre à ta voix from Saint-Saëns's opera Samson et ...