NA 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
	Bamboo	尺八 : ジョン・海山・ネプチューン
John's original title for this mellow piece was "Tubes," as the strong bass line is accented with the sound of Hawaiian "stamping tubes" of bamboo, called "ka'eke'eke." The shakuhachi, too, is a bamboo tube -- one with great power and sensitivity.