English: The German a cappella group “Wise Guys” performing during the "Tanzbrunnen 2011" open-air concert in Cologne, Germany. From left to right: Edzard Hüneke (“Eddi”), Daniel Dickopf (“Dän”), Nils Olfert, Ferenc Husta and Marc Sahr (“Sari”).
Deutsch: Die deutsche A-cappella-Gruppe “Wise Guys” singen während des Freiluftkonzerts "Tanzbrunnen 2011" in Köln. Von links nach rechts: Edzard Hüneke (“Eddi”), Daniel Dickopf (“Dän”), Nils Olfert, Ferenc Husta und Marc Sahr (“Sari”).
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{{Information |Description ={{en|1=The german acapella group “Wise Guys” performing during the "Tanzbrunnen 2011" open-air concert in Cologne, Germany. From left to right: Edzard Hüneke (“Eddi”), Daniel Dickopf (“Dän”), Nils Olfert, Feren