found: His Zu den frühen Kompositionen für Kammerorchester von Joonas Kokkonen, 1996:t.p. (Stefan Drees) p. 3 of cover (Stefan Drees, 1966 in Kusel)
found: S. Dreesel's personal web page, viewed Dec. 19, 2012(1987-1992: Studies of instrumental teaching at the Folkwang Hochschule (now Folkwang University of the Arts) in Essen, in 1992 qualified as a state certified music teacher in violin)
found: Stevan Drees WWW site, October 13, 2020:home (Stefan Drees, Musikwissenschaftler) vita (Professur an Hochschule für Musik "Hanns Eisler" Berlin, since 2016)