Excellent open string support
| Degree | Roman | Chord | Quality | Notes |
|---|---|---|---|---|
| 1 | I | C | Major | CEG |
| 2 | iim | Dm | Minor | DFA |
| 3 | iiim | Em | Minor | EGB |
| 4 | IV | F | Major | FAC |
| 5 | V | G | Major | GBD |
| 6 | vim | Am | Minor | ACE |
| 7 | vii° | B° | Diminished | BDF |
| Degree | Roman | Chord | Quality | Notes |
|---|---|---|---|---|
| 1 | IΔ7 | CΔ7 | Major7 | CEGB |
| 2 | iim7 | Dm7 | Minor7 | DFAC |
| 3 | iiim7 | Em7 | Minor7 | EGBD |
| 4 | IVΔ7 | FΔ7 | Major7 | FACE |
| 5 | V7 | G7 | Dominant | GBDF |
| 6 | vim7 | Am7 | Minor7 | ACEG |
| 7 | viiø7 | Bø7 | HalfDiminished | BDFA |