Mathias Grassow has been played on NTS shows including We Are… w/ Paul Camo, with El-Hadra 1 first played on 17 October 2015.

Mathias Grassow was born in Wiesbaden, Germany in 1963. From the start, music has always been a deep passion. He played drums and guitar in the 1970s and moved on to keyboards in the early 1980s. Mathias became increasingly fascinated with the flexibility and possibility inherent in keyboards and electronics and created experimental electronic music between traditional German and "New Age" styles.

Since the late '80s he has specialized in synthesizer drones and myriad forms of overtone music and explored their effect on…