Gbm7 Minor 7th
The Gbm7 chord is built from the notes Gb – Bbb – Db – Fb.
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Also known as
Gb-7Gbm-7Gbm7(root,5,7)Gbm7(root37)Gbm7(root57)Gbmi7Gbmin-7Gbmin7
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).
DbFifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
FbSeventh
Minor seventh (♭7)
Ten semitones — the dominant/minor seventh. Adds bluesy tension (7, m7).
🎼 Related scales
🎹 Modal analysis
This chord implies the Dorian scale; its characteristic note is the major 6th (13).
🎸 Genres
Modal jazz · Funk · Soul · Rock