Jon Christensen

Jon Ivar Christensen (20 March 1943 – 18 February 2020) was a Norwegian jazz drummer and composer. Christensen was born in Oslo. 
In the late 1960s Christensen played alongside Jan Garbarek on several recordings by the composer George Russell. He, along with Jan Garbarek and Palle Danielsson, was a member of the legendary Keith Jarrett "European Quartet" of the 1970s which produced five excellent jazz recordings on ECM Records.
He was married to actress, minister, and theater director Ellen Horn. He was the father of singer and actress Emilie Stoesen Christensen.
Christensen died in Oslo on 18 February 2020 at the age of 76.