简短回答： A#+M7♯9是一个A# 增 大调 7♯9和弦，包含音符A♯, C♯♯, E♯♯, G♯♯, B♯♯。在Irish调弦中有999种指法。请看下方图表。
又称为： A#+Δ♯9, A#M7♯5♯9, A#M7+5+9, A#Δ♯5♯9, A#Δ+5+9
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