Excellent open string support
| Degree | Roman | Chord | Quality | Notes |
|---|---|---|---|---|
| 1 | I | C | (2,6) | CEbbGb |
| 2 | II | Db | Major | DbFAb |
| 3 | III | Ebb | Major | EbbGbBbb |
| 4 | ivm | Fm | Minor | FAbC |
| 5 | vm | Gbm | Minor | GbBbbDb |
| 6 | VI | Ab | (4,6) | AbCEbb |
| 7 | VII+ | Bbb+ | Augmented | BbbDbF |
| Degree | Roman | Chord | Quality | Notes |
|---|---|---|---|---|
| 1 | I | C | (2,6,9) | CEbbGbBbb |
| 2 | IIΔ7 | DbΔ7 | Major7 | DbFAbC |
| 3 | IIIΔ7 | EbbΔ7 | Major7 | EbbGbBbbDb |
| 4 | IV | F | (3,7,9) | FAbCEbb |
| 5 | vmΔ7 | GbmΔ7 | MinorMajor7 | GbBbbDbF |
| 6 | VI | Ab | (4,6,10) | AbCEbbGb |
| 7 | VII+Δ7 | Bbb+Δ7 | AugmentedMajor7 | BbbDbFAb |