| メジャー・ダイアトニック・コード／四和音(＃系統) | |||||||||
| I△7 | IIm7 | IIIm7 | IV△7 | V7 | VIm7 | VIIm7(♭5) | |||
| 調号＃の数 | Key | T | SD | T | SD | D | T | D | |
| 0 | C | C△7 | Dm7 | Em7 | F△7 | G7 | Am7 | Bm7(♭5) | 譜面 |
| 1 | G | G△7 | Am7 | Bm7 | C△7 | D7 | Em7 | F#m7(♭5) | 譜面 |
| 2 | D | D△7 | Em7 | F#m7 | G△7 | A7 | Bm7 | C#m7(♭5) | 譜面 |
| 3 | A | A△7 | Bm7 | C#m7 | D△7 | E7 | F#m7 | G#m7(♭5) | 譜面 |
| 4 | E | E△7 | F#m7 | G#m7 | A△7 | B7 | C#m7 | D#m7(♭5) | 譜面 |
| 5 | B | B△7 | C#m7 | D#m7 | E△7 | F#7 | G#m7 | A#m7(♭5) | 譜面 |
| 6 | F# | F#△7 | G#m7 | A#m7 | B△7 | C#7 | D#m7 | E#m7(♭5) | 譜面 |
| 7 | C# | C#△7 | D#m7 | E#m7 | F#△7 | G#7 | A#m7 | B#m7(♭5) | 譜面 |
