The Hochzeitshaus (Wedding House) (1610–17), was constructed to house weddings and other ceremonies. The structure is built in the Weser Renaissance style.
It is partly used today as city council offices and as a police station.
The Pied Piper Glockenspiel of the building chimes twice daily while a carousel of Pied Piper figures twirls three times.
Found an example on You Tube if you are interested.
. https://www.youtube.com/watch?v=vq_QmWRDDyU