Over the obverse with the coin, as opposed to instruments there is architecture, and just one more grand instrument. There is certainly an artist’s illustration in the balcony from the Musikverein Live performance Corridor, often called the Golden Corridor. Standing upon it's the corridor’s famed pipe organ. The VPO's audio https://jeffreymnkhe.sharebyblog.com/26674287/vienna-philharmonic-gold-coin-things-to-know-before-you-buy