In addition to the workshop work on my instruments, writing has developed as a second passion for many years:
Our first book...
The German edition of our first book "Der Klang - Vom unerhörten Sinn des Lebens" (Koesel Verlag Munich, 2010) has been sold more than 100.000 times. The English edition "The Sound of Life's unspeakable Beauty" was published by Eerdmans Publishing (Michigan USA) in April 2020.
Our second book...