Definitions for "Folk Song"
Literally, "song of the people," which is usually composed by an unknown person and passed down via aural / oral transmission from one generation to the next.
a song of tradition characterized by a simple melody
a song that is traditionally sung by the common people of a region and forms part of their culture
Keywords:  whittled, sing, tuning, gem, perfection
a musical gem whittled to perfection through centuries of fine tuning by the people who sing them