Banjo Scale Harmonizer

Triads & 7th chord diagrams for every scale — 5-string banjo Open G (gDGBD)

Harmonize Scale
Harmony
Originalii–V–ISec. Dom.
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FingerNoteDegree
Fretboard
ScaleArpeggio
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FingerNoteDegree

C major scale diatonic chords

IC major
DGBD213
2frDGBD23412frDGBD12345frDGBD1234
IID minor
2frDGBD213
2frDGBD1232frDGBD21346frDGBD2314
IIIE minor
2frDGBD12
2frDGBD32414frDGBD21348frDGBD2314
IVF major
DGBD3214
5frDGBD3124DGBD321xDGBDx213
VG major
DGBD
3frDGBD32147frDGBD3124DGBDx
VIA minor
DGBD2314
5frDGBD3124DGBD231xDGBDx213
VIIB dim
3frDGBD12
3frDGBD213frDGBD1323frDGBD312

C major scale seventh chords

IC maj7
IID m7
DGBD321
DGBD213
IIIE m7
2frDGBD1
2frDGBD12frDGBD43212frDGBD1324
IVF maj7
DGBD4213
VG 7
3frDGBD12
3frDGBD12433frDGBD32414frDGBD2143
VIA m7
5frDGBD1234
5frDGBD4123
VIIB m7♭5
2frDGBD21
2frDGBD126frDGBD4213

C major — Banjo scale

Banjo fretboard diagram

Standard (Open G) (GDGBD)
22
C major scale — 5-string guitar fretboard diagramInteractive fretboard diagram showing the C major scale on 5-string guitar with 22 frets. Notes: D, E, F, G, A, B, C.DEFGABCDEFGABCBCDEFGABCDEFGAGABCDEFGABCDEFDEFGABCDEFGABCGABCDEFGABC1357911121315171921

How does the Banjo Scale Harmonizer work?

The 5-string banjo uses Open G (gDGBD) as its standard tuning. The short fifth string is a drone tuned to G that rings as a tonic pedal in most bluegrass and old-time styles.

Select a root note and a scale to see all diatonic chords — triads and seventh chords — with chord diagrams for every position on the banjo fretboard.

Use the interactive fretboard diagram to visualize the full scale. The drone string (string 5) positions are highlighted distinctly.