Born in Stockholm, Sweden, in 1962.
Started out learning to play woodwind instruments (flute, clarinet, saxophone) at an early age.
After the first years of education, playing in big bands, marching bands, chamber and symphony orchestras, he went into the rock scene.
Was during the 80´s busy making records and touring in Sweden and Europe, singing and playing the guitar with the garage-rock group THE SHOUTLESS.
Moved in the 90´s on to the violin and formed the group TVÅ FISK OCH EN FLÄSK. They have made two CDs playing medieval swedish folkmusic mixed with own compositions.
Plays since 1998 the violin with the black / pagan-metal group MÅNEGARM.
Plays the violin and live-electronics in electro/improvisation-group BUGMAN (formed in the early 90´s as PLANLOS IRR).
Jan Liljekvist studied electro-acoustic composition for Lars-Gunnar Bodin, Rolf Enström, Anders Blomkvist and Erik Mikael Karlsson at the EMS studio in Stockholm during the years 1996 - 2000.
Member of the Society of Swedish Composers (FST) since 2003.
Chairman of FYLKINGEN, Stockholm, 2005 - 2006.
Member of THE GREAT LEARNING ORCHESTRA.
Makes live-electronics together with author/playwrite/singer Mats Rosén.
Makes dance performances and film together with dance artist Anna-Tora Jonasson.