Claus Terhoeven aka Nic Chagall is best know one half of the German trance duo Cosmic Gate, though more recently has found success as a solo artist, with a number of successful releases on High Contrast Recordings, most notably of which is the highly acclaimed vocal anthem "What You Need".

In his solo guise "Nic" has also remixed a number of other artists tracks, most recently of which is his beautifully techy remix of Filo & Peri's smash hit "Anthem".

He is also member of group Dream Dance Alliance.