Gbdim7 Diminished
The Gbdim7 chord is built from the notes Gb – Bbb – Dbb – Fbb.
Piano sound loads on first tap.
Also known as
Gbdim7(add11)Gbdim7(b5)GbmindimGbo(7)Gbo(addb5)Gbo(b5)Gbo7Gbo7(b5)
Chord tones, one by one
GbRoot
Root
The fundamental note the chord is built on — Gb.
BbbThird
Minor third
Three semitones — makes the chord minor (darker, sadder).
DbbFifth
Diminished fifth (♭5)
Six semitones — a flat fifth. Creates instability, typical of m7♭5 and diminished chords.
FbbSeventh
Diminished seventh (♭♭7)
Nine semitones — a doubly-flat seventh, found in fully diminished 7th chords.
🎼 Related scales
🎹 Modal analysis
This chord implies the Whole-half diminished scale.
🎸 Genres
Bebop jazz · Hard bop · Gypsy jazz