[1] During his subsequent time as a research assistant and lecturer at the Humboldt University of Berlin, he was awarded a doctorate in music education by Fritz Reuter at the Faculty of Education in 1960 with the dissertation Untersuchungen über die musikerzieherische Bedeutung Jean-Jacques Rousseaus und seine Ideen.
Allgemeiner Überblick und spezielle Darstellung seiner Ziffernschrift als Anfang einer modernen Musikmethodik.
After the 1st and 2nd state philological examinations for the teaching profession at higher schools (Cologne 1964) and a subsequent school career up to the level of Oberstudienrat, he went to the Pädagogische Hochschule Rheinland [de], Bonn department, as a research assistant and lecturer, where he Habilitated and was then appointed Wissenschaftlicher Rat und Professor.
Initiator and co-founder of the working group "Research in Music Education" (today: "Arbeitskreis Musikpädagogische Forschung e.V.
First spokesperson of the Bundesfachgruppe Musikpädagogik (association of music teacher training institutions) in 1972–1975, board member from 1985 to 1989, conference leader.