Krampfhaft has been played on NTS over 10 times, featured on 10 episodes and was first played on 23 October 2012.

Krampfhaft is Joris van Grunsven from Utrecht. He produces bass music in everchanging forms. “Krampfhaft is one of the most exciting producers I’ve been hearing lately. He straddles this kind of post-dubstep, street bass, footwurk world but does it all in his own unique way." - Starkey