Gigs
The Redoute was built for precisely this purpose; Elector Max Franz had music played twice a week for concerts and another twice a week for dancing. Incidentally, with Ludwig van Beethoven as an employed musician.
Today the Beethoven Orchestra Bonn, the classical Philharmonic of Bonn, or the Bad Godesberg Cantata Orchestra plays. Even a youth orchestra once travelled from New York just to play in the room where Ludwig van Beethoven first met Joseph Haydn.

