First things first.
Bjørn Marius Hegge is a Norwegian double bass player and composer living in Trondheim, Norway. He has a bachelor degree in performing arts from the Norwegian University of Science and Technology (NTNU).
For instance, you can listen to his music with his own band "Hegge", who received a Spellemann ( The Norwegian Grammy Awards) for best jazz album of 2017 or in Kjetil Mulelid Trio who released their debut album "Not Nearly Enough To Buy A House" on Rune Grammofon 2017. (http://www.runegrammofon.com).
He is also a part of the Trondheim based record label Particular Recordings Collective.