Sissel Kyrkjebø, also simply known as Sissel, is a Norwegian soprano.

The Olympic Hymn, also known as the Olympic Anthem, is a choral cantata by opera composer Spyridon Samaras (1861–1917), with Demotic Greek lyrics by Greek poet Kostis Palamas. Both poet and composer were the choice of the Greek Demetrius Vikelas, who was the first President of the International Olympic Committee.