Well, I can't really explain it so. why don't you all listen to them??
Yes, they are in Greek. :D
http://www.youtube.com/watch?v=7lPjExS26JQ&feature=channel
http://www.youtube.com/watch?v=Dx_P4G_n1K4
http://www.youtube.com/watch?v=QHKfcxvZwfo&feature=related
http://www.youtube.com/watch?v=ukfiMW1-Qso&feature=related