The apartment was beautiful, clean and modern, and in a wonderful location. We appreciated the kitchen being stocked with breakfast supplies, and the little extra items, such as toiletries, iron and ironing board, umbrellas, maps, etc.
Unfortunately, we happened to be there during the Signal Festival, and the industrial music that accompanied the light show until 11:30 each night for 4 nights made it almost impossible to get any sleep. There was also construction work going on outside the bedroom window, starting at 7 am.
If you are at all a light sleeper, you may want to stay somewhere outside of the center.
We expected the crowd noises and hustle and bustle of the square, and it was even exciting to hear, but the festival music was so loud that we actually stayed somewhere else for 2 nights of our stay.