Materias with the same constituent notes, such as c↑12 and d♯(ｅ♭)↓21, are listed as one pair,
and 17 different starting notes are grouped together.
When using accidental notation, # is aligned with # and ♭ is aligned with ♭.
Each variant can be two octaves up or down, not just the one listed.
24pages, 4.6MB, English, author: Kosuge Kohsuke
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