The people watching a performance at the inner courtyard of the castle in Mayen, Germany are treated to an awesome live performance of the classic song Sound of Silence. This entertaining flash mob features the popCHORn choir singing the Simon & Garfunkel song. The popCHORn choir which is composed of about 30 singers of various ages. If you enjoyed this music video and want to watch another entertaining music video check out this Sabedell Flashmob Orchestra.