A child star since the age of 11, she is now a national figure in Norway and has performed all across the globe, selling 10 million solo albums since her recording debut at the age of only 16; she was a featured vocalist on the biggest selling soundtrack recording in history, the 1997 release Titanic: Music from the Motion Picture (30 million sold),[1] performing wordless vocals on the soundtrack.

Chess in Concert Filmed on 3–4 September 1989 at Skellefteå of Sweden.

Sissel played Svetlana and performed on two songs.

with Plácido Domingo and Charles Aznavour Sissel in Concert: All Good Things Torsdagsklubben Gullars - Og barndommen fortsetter Jag kommer hem igen till jul - Live från Cirkus DVD included on the CD of the same title.

This is a recording of a concert held at the Hallgrímskirkja in Reykjavík of the Iceland.