Sissel Kyrkjebø, 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 sings mainly in English and Norwegian and has also sung songs in Spanish, Swedish, Danish, Irish, Italian, French, Russian, Icelandic, Faroese, German, Neapolitan, Māori, Japanese and Latin.
She rose to prominence in Norway in the late 1980s and early 1990s, and her cover version of Ole Paus' song "Innerst i sjelen" gained wide popularity in the 1990s. She is well known for singing the Olympic Hymn at the opening and closing ceremonies of the 1994 Winter Olympics in Lillehammer, Norway; for duets with Plácido Domingo and Charles Aznavour at the "Christmas in Vienna" concert of 1994, José Carreras, Andrea Bocelli, Bryn Terfel, Josh Groban, Neil Sedaka, Mario Frangoulis, Russell Watson, Brian May, Tommy Körberg, Diana Krall, Warren G, Dee Dee Bridgewater and The Chieftains; and her participation on the Titanic film soundtrack.
Sissel received her first U.S. Grammy nominations on 6 December 2007 for a collaboration with the Mormon Tabernacle Choir.