Cavaquinho Scale Harmonizer
Triads & 7th chord diagrams for every scale — cavaquinho DGBD tuning
C major scale diatonic chords
IC major
IID minor
IIIE minor
IVF major
VG major
VIA minor
VIIB dim
C major scale seventh chords
IC maj7
IID m7
IIIE m7
IVF maj7
VG 7
VIA m7
VIIB m7♭5
Secondary Dominants
V7/IG 7
IC major
V7/IIA 7
IID minor
V7/IIIB 7
IIIE minor
V7/IVC 7
IVF major
V7/VD 7
VG major
V7/VIE 7
VIA minor
V7/VIIF♯ 7
VIIB dim
C major — Cavaquinho scale
Cavaquinho fretboard diagram
Standard (DGBD)
17
How does the Cavaquinho Scale Harmonizer work?
The cavaquinho is a four-string instrument from the ukulele family, widely used in Brazilian and Portuguese music. Its standard tuning is D-G-B-D (DGBD).
Select a root note and a scale to see all diatonic chords — triads and seventh chords — with chord diagrams for the cavaquinho fretboard.
Use the interactive fretboard diagram to visualize the full scale and explore different tunings and fret ranges.