Nashville Number System — Key of Db
The complete NNS chart for Db Major: all seven diatonic chords with Nashville numbers and Roman numerals.
Key
Nashville Number Chart — Key of Db
| Degree | Nashville | Chord | Roman | Quality |
|---|---|---|---|---|
| 1 | 1 | Db | I | major |
| 2 | 2m | Ebm | ii | minor |
| 3 | 3m | Fm | iii | minor |
| 4 | 4 | Gb | IV | major |
| 5 | 5 | Ab | V | major |
| 6 | 6m | Bbm | vi | minor |
| 7 | 7dim | Cdim | vii° | diminished |
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Non-diatonic chords are preserved unchanged.
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Nashville Numbers in the Key of Db Major
In the key of Db Major, the seven diatonic chords are Db, Ebm, Fm, Gb, Ab, Bbm, Cdim. In Nashville Number System notation, these chords are numbered by their scale degree: the tonic chord Db is 1, the subdominant Gb is 4, and the dominant Ab is 5. Minor chords use a lowercase “m” suffix — Ebm is 2m, Fm is 3m, and Bbm is 6m. The diminished seventh degree, Cdim, is written 7dim.
NNS Reference Chart — Db Major
Common Progressions in Db Major — NNS Notation
The most common chord progression in Db Major is I–V–vi–IV — Db, Ab, Bbm, Gb — written in Nashville notation as 1–5–6m–4. Because the NNS uses numbers rather than chord names, this chart works verbatim in any key — a band calling out “1, 5, 6m, 4” knows exactly what to play regardless of the root key. Cross-reference with our chords in the key of Db Major for the full diatonic chord set with Roman numeral analysis.
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