The orchestra was led by Beethoven's friend Ignaz Schuppanzigh and included some of the finest musicians of the day: violinist Louis Spohr, Johann Nepomuk Hummel, Giacomo Meyerbeer, Antonio Salieri, bassoonist Anton Romberg, and the Italian double bass virtuoso Domenico Dragonetti, whom Beethoven himself described as playing "with great fire and expressive power".
Ob katedrali je muzej z bogato zbirko tapiserij in drugih umetnin.