Piano chord · Sevenths

G♭ diminished 7th chord on piano

Right hand: G♭ (1), B𝄫 (2), D𝄫 (3), F𝄫 (5)

How to play G♭dim7 on piano: the keys to press, which fingers to use, inversions and how it’s written on the staff.

Symmetrical and very tense — every note is a minor 3rd apart.

G♭dim7 is the vii°7 chord in G minor.

Spell as F♯dim7
Notes
G♭B𝄫D𝄫F𝄫
Formula
1♭3♭5𝄫7
Built from
root · minor 3rd · diminished 5th · diminished 7th

Piano

Root position · numbers are finger numbers

𝄞𝄢

How to play it

Right handG♭1 · thumbB𝄫2 · indexD𝄫3 · middleF𝄫5 · pinky

Left handG♭5 · pinkythe root, an octave lower

Finger numbers: 1 thumb · 2 index · 3 middle · 4 ring · 5 pinky. Inversions use the same notes with a different one on the bottom — they help you move smoothly between chords. Tap any key to hear it.

Tips for playing G♭dim7 on piano

On piano, G♭dim7 has two black keys (G♭ and F𝄫) and two white keys.

Notice the B𝄫 in G♭dim7 (G♭ B𝄫 D𝄫 F𝄫): each note of the chord takes its own letter (G–B–D–F), so the minor 3rd has to be written B𝄫 rather than A — the same key on a piano, spelled to fit the chord.

G♭dim7 piano chord diagram (G♭ diminished 7th)
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