Kenni's career began early in 1998. He began composing under the handle DJ Morph with little experience. In 1999, Kenni signed up on "TiS" forums and uploaded his very first track, "Sad Story". The forum had the single rated #1 for two weeks. It was after this, Kenni changed his handle to Unknown Source.It was not until 2001 when the preview of "Big Brother Denmark" (American Idle Equivalent) aired nearly an identical rip of his first release "Sad Story". Many were shocked as only half believed in Kenni for the release.The case gave Kenni many contacts including from Germany, Belgium, and the Netherlands. His first single "When I Fall" belongs to his label Nice & Firm/ Bonnier Records.