the Musica Antiqua Köln, the WDR Rundfunkorchester Köln and WDR Big Band, and several choirs, including the WDR Rundfunkchor Köln. Cologne was also an...
"Psalmenkonzert im Rahmen der Feierlichkeiten zum 100jährigen Bestehen von St. Nikolaus, Köln-Sülz" (PDF) (in German). fiatars.de. pp. 3–4. Retrieved 7 February 2013...