It is from nice Japanese movie Kaidan Yuki-Onna (怪談雪女郎)(1968年) by Tokuzo Tanaka
(you can turn captions-subtitles ON when you play video, see this if you dont know how: http://dl.dropbox.com/u/2867855/captions.png )
This is info given by mitsuharu, a friend from 2ch IRC:
its called "Kodaijin"
its from region of Takayama
the second part of folk song of Soukawa
One of my all time favourite movies.
vitriol14 10 months ago
BEAUTIFUL song!
Auroster 1 year ago
Great movie and lovely song!
chirilloff 1 year ago