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I'll go first with Falco's classic "Der Kommisar". Except Hitler, Falco is the only famous austrian person in modern history.!
What about Arnold Ze Terminator?
Speaking about Austrian dance music (not that you were speaking about it, just that you had mentioned Austria and dance in the same thread), here is a little ditty from the eighties.
Known more as one of those "stick in your head" tunes. The band was Edelweiss, an Austrian dance/electronica band. Was quite popular for a while.
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