Friends with [http://musicbrainz.org/artist/843238f1-ecfa-4a26-9e47-ce52e4ea1e31.html|Per Gessle] from school. Co-authored a number of Roxette hits. Managed the famous [http://sv.wikipedia.org/wiki/Tits_%26_Ass|Tits & Ass] studio. Learned to play the guitar first, but then also the drums, bass and even the trumpet[http://www.gyllenetider.com/gtprofiles_a.html#mp|*]. Often confused with [http://musicbrainz.org/artist/d6f6e2d2-a4f3-4eac-a207-a4324d08b865.html|Mats Myrdal Persson], a Roxette percussionist.