I think we're safe to say that there are >6,000,000,000 definitions of folk music, one for each of the >6,000,000,000 folks on this planet. I disagree with those who say a song has to be X years old. I could right a folk song today (I think I will, just to be difficult!).

         /(   )       \ \_/ /   , /\ ,         /_   _\  /| || |      | \>   
  Wincing_Devil
  Joy of having 2 cats: Waking to a cat fight in your crotch at 3am!