This is a syncretic attempt at combining multiple existing notational conventions into a single, nice standard that can be used more flexibly than each of the existing ones. This imposes a certain degree of strictness on what symbols can now be used how.
Summary: Use Nashville with jazz/advanced symbols for chords, Romans for implied tonics.
Tonic: Roman I (Absolute Key).
Implied tonic: Roman Numeral, Mode (Absolute Mode). Legend:
- I: Ionian
- i6: Dorian
- i2: Phryigian
- I5: Lydian
- I7: Mixolydian
- i: Aeolian
- i25: Locrian
Chord: Nashville notation (Absolute Chord). Legend:
- -, m: minor
- 7: dominant 7th
- Δ, M7, maj7: major 7th
- °, dim: diminished
- ∅: half-diminished (= half-dim. 7th)
- +: augmented
Derived chords:
- °7: diminished 7th
- °Δ7: diminished major 7th
- +Δ: augmented major 7th
- etc.
In action
'Stella by Starlight' in Bb
[ii (D m)] 2 m7b5 (E m7b5) | 5 7 (A 7) | [I (Bb)] ii m7 (C m7) | 5 7 (F 7) |
contd.