of the dance). Hasapiko served as the basis for Sirtaki. Sirtaki .   http://www.youtube.com/watch?v=KW8gk9fwD yE&feature=related http://www.youtube.com/watch?v=aYaEIgKBU b4&feature=related http://www.youtube.com/watch?v=zN6AhB3sa jE&feature=related   Distribution of Greek dialects in the classical period . Western group:        Doric proper        Northwest Doric Greek Central group:        Aeolic        Arcado-Cypriot Eastern group:        Attic