Excellent open string support
| Degree | Roman | Chord | Quality | Notes |
|---|---|---|---|---|
| 1 | I | C | Major | CEG |
| 2 | II | Db | Major | DbFAb |
| 3 | iii° | E° | Diminished | EGBb |
| 4 | ivm | Fm | Minor | FAbC |
| 5 | v° | G° | Diminished | GBbDb |
| 6 | VI+ | Ab+ | Augmented | AbCE |
| 7 | viim | Bbm | Minor | BbDbF |
| Degree | Roman | Chord | Quality | Notes |
|---|---|---|---|---|
| 1 | I7 | C7 | Dominant | CEGBb |
| 2 | IIΔ7 | DbΔ7 | Major7 | DbFAbC |
| 3 | iii°7 | E°7 | Diminished7 | EGBbDb |
| 4 | ivmΔ7 | FmΔ7 | MinorMajor7 | FAbCE |
| 5 | vø7 | Gø7 | HalfDiminished | GBbDbF |
| 6 | VI+Δ7 | Ab+Δ7 | AugmentedMajor7 | AbCEG |
| 7 | viim7 | Bbm7 | Minor7 | BbDbFAb |