Melina Mercouri singing one of the Greek songs from the film
This is a more complete version of the Greek song she was singing with Alexis (Anthony Perkins) when they were sitting at the piano, around the 46 minute mark:
https://www.youtube.com/watch?v=nk3AyMHhH3Y
Don't mess with me, man! I know karate, judo, ju-jitsu..... and several other Japanese words.