律音階 (りつおんかい) — ritsu scale (anhemitonic pentatonic scale primarily used in gagaku: re, mi, so, la, ti)
律音階
り つ お ん か い
Ritsu scale (anhemitonic pentatonic scale primarily used in gagaku: re, mi, so, la, ti)
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律音階 (りつおんかい) — ritsu scale (anhemitonic pentatonic scale primarily used in gagaku: re, mi, so, la, ti)
