Nashville Number System

Key Explorer

Select a key to see its full chord map — Nashville numbers, chord names, qualities, and common variations.

Key

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Hover Sound

G Major·G · A · B · C · D · E · F#

G Major·G · A · B · C · D · E · F#

1I

G

G·B·D

Major Tonic

2ii

Am

A·C·E

Minor Supertonic

3iii

Bm

B·D·F#

Minor Mediant

4IV

C

C·E·G

Major Subdominant

Cadd9

5V

D

D·F#·A

Major Dominant

D7Dsus2Dsus4

6vi

Em

E·G·B

Minor Submediant

7vii°

F#dim

F#·A·C

Diminished Leading tone

Tonic (I)

Major

Minor

Diminished