Assertion: alteration | /r/HasProperty | e.g. g7(♭5♭
Facets:
Source sentences:
text: Altered chords may include both a flattened and sharpened form of the altered fifth or ninth, e.g. G7(♭5♯5♭9); however, it is more common to use only one such alteration per tone, e.g. G7(♭5♭9),