Duet Originated from Folk Songs of Hokkaido District は下記のアルバムに収録されています

	アルバム	アーティスト
	Yonin no Kai	尺八 : 二世 北原 篁山
This is a duet of shakuhachi and koto from two folk songs of Hokkaido district (the northern area of Japan). One is "Esashi Oiwake" (a boatmen's song), the other is "Soran-Bushi" (a work song of fishermen).