Overdag sound engineer en 's nachts DJ. Joris van Grunsven a.k.a. Krampfhaft is vierentwintig uur per dag met muziek bezig en dat is te horen. Zijn sets zitten technisch perfect in elkaar. Afgelopen zomer kwam zijn album Spit Thunder uit en dat bezorgde hem een drukke touragenda.

Sound engineer at day time, and DJ at night. Joris van Grunsven, a.k.a. Krampfhaft, is working with music twenty-four hours a day, and this fact doesn't come unnoticed as he plays his sets tecnically perfect. Last summer his album 'Spit Thunder' was released that gave him a busy tour agenda.