A9 Chord
Chord Tones
| Interval | Note |
|---|---|
| Perfect 1st | A |
| Major 3rd | C# |
| Perfect 5th | E |
| Minor 7th | G |
| Major 9th | B |
Alternate chord names
A9
Compatible Scales
A を基準としたスケール
Pentad (five-note chord) rooted on A（Chord Tones: A, C#, E, G, B）
| Interval | Note |
|---|---|
| Perfect 1st | A |
| Major 3rd | C# |
| Perfect 5th | E |
| Minor 7th | G |
| Major 9th | B |
A9
A を基準としたスケール
