Type Alias NoteNameSystem

A system of written note names.

• english: C D E F G A B, # sharp and b flat (C#, Bb, F##).
• german: C D E F G A H, -is sharp and -es flat (cis, des), with B for B flat and H for B natural.
• japanese: the katakana 音名 ハ ニ ホ ヘ ト イ ロ, prefixed 嬰 sharp and 変 flat.
• italian: the solfège syllables do re mi fa sol la si, followed by diesis or bemolle.
• fixedDo: the same syllables read as fixed-do note names; identical to italian, and named separately because callers ask for it by that name.