In the location's words:

Welcome to the 3rd floor of the 2411 cultural center.
Here at Stadtteilkultur 2411 - Kultur im 3.Stock we have the stage for you to perform on. We have a spotlight to make you look good and microphones to amplify your singing. Your pictures can hang on our walls and in our rooms you can meet, practise or meet like-minded people.
meet up with like-minded people. We support you with our know-how and our network.
We also organize events, concerts, exhibitions and functions throughout the year.
And if you insist, we'll even call you by your first name. Just drop by.