Dan Berglund (born 5 May 1963) is a Swedish musician who mainly plays the upright bass and is known within jazz and fusion. Biography. Berglund was familiar with Swedish folk music as well as with pop and rock music. At the age of ten he started playing rock guitar, but later changed to bass guitar. As part of his musical training at the Birka Folkhögskola in Östersund he came to pick up the upright bass and played in the regional symphony orchestra, with whom he also had guest performances and first television appearances.
https://en.wikipedia.org/wiki/Dan_Berglund