Excellent open string support
| Degree | Roman | Chord | Quality | Notes |
|---|---|---|---|---|
| 1 | I | C | Major | CEG |
| 2 | II+ | Db+ | Augmented | DbFA |
| 3 | iii° | E° | Diminished | EGBb |
| 4 | IV | F | Major | FAC |
| 5 | v° | G° | Diminished | GBbDb |
| 6 | vim | Am | Minor | ACE |
| 7 | viim | Bbm | Minor | BbDbF |
| Degree | Roman | Chord | Quality | Notes |
|---|---|---|---|---|
| 1 | I7 | C7 | Dominant | CEGBb |
| 2 | II+Δ7 | Db+Δ7 | AugmentedMajor7 | DbFAC |
| 3 | iii°7 | E°7 | Diminished7 | EGBbDb |
| 4 | IVΔ7 | FΔ7 | Major7 | FACE |
| 5 | vø7 | Gø7 | HalfDiminished | GBbDbF |
| 6 | vim7 | Am7 | Minor7 | ACEG |
| 7 | viimΔ7 | BbmΔ7 | MinorMajor7 | BbDbFA |