1. “Gogen-fu shinkω: Omo ni gogen-biwa no jūsei oyobi chωgen ni tsuite [The Gogen-fu, a Japanese Heian-period tablature score for five-stringed lute: concentrating on the fret system and tunings of the instrument].”;Tωyω Ongaku Kenkyū,1986
2. Music from the Tang Court
3. In Hakuga no fue-fu, the jo is written out in full twice. HFF 2 is transcribed from the first iteration. Significant differences between this and the second iteration are recorded in footnotes in figure 1.
4. The notation appears in fact to be a fusion of System 1 and System 5. Ichi signs and yuri ornaments, which are not normally part of System 5, have been added, perhaps by Hiromasa, in order to make the notation look like System 1.