Thank you so much for helping to debug this, all.
It is an issue when visiting from Germany. How intriguing! I just visited through a VPN in Germany, and I am experiencing the black screen with only audio too.
It’s good news, however, as I can play spot the difference to identify an error on the player:
[Error] TypeError: undefined is not an object (evaluating 'this.getRawPlayer().parentNode')
(anonymous function) (hd-main.js:31:468)
That should make it easier for us to get it fixed! I’ve opened an issue here: