What Greek sounds like to foreigners-Πώς ακούγονται τα Ελληνικά στους ξένους

I asked some Canadian students what Greek sounds like to them. I started by playing them audio from a clip of a Greek TV show. Then I asked them to guess which language was in the sample played to them. After a few guesses of mainly Spanish or Portuguese I gave them visual clues from the video so they could see the script and ethnicity of the people in the sample video. Most of them quickly answered Greek when they recognized the Greek alphabet. Finally, I asked them to imitate what they have heard for nat