Excellent open string support
| Degree | Roman | Chord | Quality | Notes |
|---|---|---|---|---|
| 1 | I | C | (4,6) | CEGb |
| 2 | II+ | Db+ | Augmented | DbFA |
| 3 | III | E | (2,6) | EGbBb |
| 4 | IV | F | Major | FAC |
| 5 | V | Gb | Major | GbBbDb |
| 6 | vim | Am | Minor | ACE |
| 7 | viim | Bbm | Minor | BbDbF |
| Degree | Roman | Chord | Quality | Notes |
|---|---|---|---|---|
| 1 | I | C | (4,6,10) | CEGbBb |
| 2 | II+Δ7 | Db+Δ7 | AugmentedMajor7 | DbFAC |
| 3 | III | E | (2,6,9) | EGbBbDb |
| 4 | IVΔ7 | FΔ7 | Major7 | FACE |
| 5 | VΔ7 | GbΔ7 | Major7 | GbBbDbF |
| 6 | VI | A | (3,7,9) | ACEGb |
| 7 | viimΔ7 | BbmΔ7 | MinorMajor7 | BbDbFA |