He is one half of The Similou with Erik Niklasson. [m139159] was a pop hit for them. As a solo artist, Eriksson helped to start the Gonkyburg movement in Gothenburg. During this period, he made music as Jol. He released singles on labels like undefined and an album for undefined.

Joel Eriksson is also known for composing music for games, TV and film. He made the original theme music for the EA game Battlefield 1942. In 2006 he created the score for the Finnish-Swedish feature film '7 miljonärer'.