The Austrian rehearsal got quite a big applause from the press! Nathan is dressed in a white suit and starts his song sitting on a half moon, later he gets up on that moon and jumps off it. The backdrop looks really nice, with clouds that are initially pink and later turning into blue, then golden with added thunder. Towards the end it's dark blue again, as the day is over.
For a big part of the song he is alone on stage, but during the last chorus or so he is joined by his backing singers. He ends the song walking onto a glass platform / cube. It's the only part of the performance I don't find really necessary.