Apparently, this is a close rendition of what an ancient Greek song sounded like. The lyrics and music were taken from inscriptions on a marble column more than 2,000 years old. It gives us some idea about what the Classical Greeks and their predecessors meant when they wrote about music and song.
You can hear David Creese, from the University of Newcastle, strumming his lyre and humming the tune, which was originally composed by a 1st century Greek named Seikilos.
Read more about it here: http://www.archaeology.org/news/1456-armand-d-angour-greece-music-seikilos