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How to play a Gdim chord on Accordion

On the Stradella bass system, diminished 7th chords are also minor 6th chords

AKA: G diminished seventh, G°, Gdim, Gdim7, Gdim7th, Gdim/6, Gdim(add6)

Green bass pattern: Gdim7(omit5) = Gm6(omit5)

Blue counter bass pattern: Gdim7

Gdim Accordion chord chart

G dim notation

Notes:

G, B♭, D♭, F♭

Gdim button plays:
G, B♭, F♭ (no D♭)

Intervals:

R, m3°, dim5°, dim7°

Dim buttons play:
R, m3°, dim7° (no dim5°)

Left hand:

Green bass pattern:
Gdim7(omit5), same as Gm6(omit5)

G + Gdim

Blue counter bass pattern: Gdim7

G + D♭dim (Fx + C#dim)

Fingering:

4 + 2

 

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