Every Wednesday from September to June, a free lunch concert takes place here at 1 PM (duration approx. 40-50 minutes) → arrive early, as it often gets very crowded (ideally by 12 PM) and if it's too full, you won't be let in; There are almost no chairs, and most people sit on the stairs, on the floor, or stand → cool atmosphere; Additionally, from 12-12:50 PM, lunch with various dishes to choose from is available here (lunch is not free).