Orgelstadt Düsseldorf = Düsseldorf City of organ music - Becker, Günther 1924-2007; Blarr, Oskar Gottlieb 1934-; Michel, Wilfried 1938-1997; Baur, Jürg 1918-2010; Callhoff, Herbert 1933-2016; Orlinski, Heinz Bernhard 1928-2012