Gm7addb9#13 Minor 7th
The Gm7addb9#13 chord is built from the notes G – Bb – D – F – Ab – Gbb.
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Chord tones, one by one
GRoot
Root
The fundamental note the chord is built on — G.
BbThird
Minor third
Three semitones — makes the chord minor (darker, sadder).
DFifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
FSeventh
Minor seventh (♭7)
Ten semitones — the dominant/minor seventh. Adds bluesy tension (7, m7).
AbExtension
Flat ninth (♭9)
A ♭9 — sharp, dissonant tension typical of altered dominant chords.
GbbExtension
Extension (22 st)
An upper extension 22 semitones above the root.
🎼 Related scales
🎹 Modal analysis
This chord implies the Phrygian scale; its characteristic note is the ♭9 / ♭2.
🎸 Genres
Flamenco · Metal · Modal jazz