- publisher: http://zwillinge.zentral.zone .. many pieces written but not yet published, and much more music yet to be written
- degrees in music theory and composition, taught at University in those areas
- specialist in microtonal music theory http://musictheory.zentral.zone
- main instrument was percussion, later organ, also worked as an organ tuner
- moderately experienced in service playing, only as substitute
- inventor of Tonal Plexus microtonal keyboards http://hpi.zentral.zone

Picture is 20+ yrs old, of me playing a 4-rank Moeller I used to own! I donated it to a small church.