Excellent open string support
| Degree | Roman | Chord | Quality | Notes |
|---|---|---|---|---|
| 1 | I | C | Major | CEG |
| 2 | ii° | D° | Diminished | DFAb |
| 3 | iiim | Em | Minor | EGB |
| 4 | ivm | Fm | Minor | FAbC |
| 5 | V | G | Major | GBD |
| 6 | VI+ | Ab+ | Augmented | AbCE |
| 7 | vii° | B° | Diminished | BDF |
| Degree | Roman | Chord | Quality | Notes |
|---|---|---|---|---|
| 1 | IΔ7 | CΔ7 | Major7 | CEGB |
| 2 | iiø7 | Dø7 | HalfDiminished | DFAbC |
| 3 | iiim7 | Em7 | Minor7 | EGBD |
| 4 | ivmΔ7 | FmΔ7 | MinorMajor7 | FAbCE |
| 5 | V7 | G7 | Dominant | GBDF |
| 6 | VI+Δ7 | Ab+Δ7 | AugmentedMajor7 | AbCEG |
| 7 | vii°7 | B°7 | Diminished7 | BDFAb |