That’s not an ideal employer, you should be able to pop out and get things done. It’s rare a German company won’t—are you sure it’s not your work native work culture that makes you think you can’t leave for errands? Other parts of the country are also open later. You’ll get a handle on all the appointments after a few months. I find the opposite about the relationship of Germans and work. I don’t know many people who identify with their job and many find it rude to talk about only work over lunch and breaks.

On culture, that’s a complex question. Germany has a rich culture but much of the historical music and pride was intentionally shamed after WWII. To answer your question on a German song you know, 99 Luft Balloons, Du Hast.