Bjorn Alterhaug

 Bjørn Alterhaug (born 3 June 1945 in Mo i Rana, Norway) is a Norwegian Jazz musician (double bass), Music arranger and Composer

Alterhaug is one of the grand masters among European bassplayers and has been leading an international career in jazz since the late 60's. He has played and worked with a great number of international greats such as Lee Konitz, Warne Marsh, Chet Baker, Thorgeir Stubø, Joe Henderson, Lucky Thomson, Sheila Jordan, Vigleik Storaas, Karin Krog, John Surman, Ben Webster and Clark Terry. He continues to lead his post as a professor at the Institute of Music at Norges Teknisk-Naturvitenskapelige Universitet in Trondheim, Norway and has taught on the Jazz programme there since the start in 1979.

Source: http://en.wikipedia.org/wiki/Bj%C3%B8rn_Alterhaug accessed 9th April 2013