The round ceiling is decorated with Károly Lotz’s monumental cupola fresco.
Entitled the Apotheosis of Music, the fresco creates the perfect stylistic harmony with the auditorium’s calm renaissance style, despite its baroque fluidity. The composition is dominated by the lute-playing Apollo, while the Olympic gods listen to his playing accompanied by the graces, muses and demons. Miklós Ybl designed the chandelier cast in Mainz. With the aid of a winch, the chandelier is lowered to the ground floor level twice a year to replace its expired bulbs.