Not sure about the NZ one, and the European one seems like a cheat because it's a remix of one of the greatest and most recognizable tracks in history.
I find particular fondness in terms of sentiment with USA and Soviet. Re Star Spangled Banner it's important to remember the time in which it was written, in which, of course arguably, America was the "most free" nation as long as you were considered a citizen. 1812 was a push vis-a-vis the US-UK and should be considered in light of the other conflicts in which the UK was involved at the time (Napoleon). I think it's still a great inspirational song. What's the current Russian anthem?
And... the Soviet anthem is pretty hated amongst modern Russians.