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Gm7♭5 chord

G Half-Diminished 7th

Gm7b5 · Root

1G3b3Bb3b5Db4b7F4
1C4b7C5b3b5

Every chord tone stacked from the root up.

Click keys to experiment with the chord

Notes

G – B♭ – D♭ – F

Formula

1 – b3 – b5 – b7

Practice Note

The half-diminished chord is the usual iiø7 in a minor-key ii–V–i, commonly paired with Locrian or Locrian natural 2. Its b5 and b7 lead into the dominant; the root may be omitted in a piano voicing when supplied by bass.

Try next

Gm7 · SiblingGdim7 · SiblingC7b9 · Next in ii–VFm · ii–V–i targetBbm6 · Same notesEb9 · Same notes (rootless)

About Gm7b5

The Gm7b5 chord sounds dark and ambiguous, the classic jazz ii chord in minor keys. Its notes are G, Bb, Db, F. This chord is commonly heard in jazz.

Jazz
All G chords (61)

Triads

G — MajorGm — MinorGdim — DiminishedGaug — AugmentedGsus2 — Suspended 2ndGsus4 — Suspended 4thG5 — Power Chord

7ths

G7 — Dominant 7thGmaj7 — Major 7thGm7 — Minor 7thGm7#5 — Minor 7th Sharp 5Gdim7 — Diminished 7thG6 — Major 6thGm6 — Minor 6thG7sus4 — Dominant 7th Sus4G7sus2 — Dominant 7th Sus2

Extended

G9 — Dominant 9thGmaj9 — Major 9thGm9 — Minor 9thGadd9 — Add 9Gadd11 — Add 11Gadd2 — Add 2Gadd#11 — Add Sharp 11G11 — Dominant 11thG13 — Dominant 13thG6/9 — 6/9Gmaj13 — Major 13thGm(add2) — Minor Add 2Gm(add9) — Minor Add 9Gm(add11) — Minor Add 11GmMaj7 — Minor Major 7thGm11 — Minor 11thGm13 — Minor 13thGm6/9 — Minor 6/9G7#11 — Dominant 7th Sharp 11G9#11 — Dominant 9th Sharp 11G13#11 — Dominant 13th Sharp 11G9sus4 — Dominant 9th Sus4G13sus4 — Dominant 13th Sus4Gmaj7#11 — Major 7th Sharp 11Gmaj9#11 — Major 9th Sharp 11GmMaj9 — Minor Major 9thGm9b5 — Half-Diminished 9th

Altered

G7#9 — Dominant 7th Sharp 9G7b9#9 — Dominant 7th Flat 9 Sharp 9G13#9 — Dominant 13th Sharp 9G7b9 — Dominant 7th Flat 9G7#5 — Dominant 7th Sharp 5G7b5 — Dominant 7th Flat 5G7alt — Altered DominantG7#9#5 — Dominant 7th #9 #5G7b9b5 — Dominant 7th b9 b5G7#9b5 — Dominant 7th #9 b5G7sus4b9 — Dominant 7th Sus4 Flat 9G9#5 — Dominant 9th Sharp 5G9b5 — Dominant 9th Flat 5G13b9 — Dominant 13th Flat 9G7b13 — Dominant 7th Flat 13Gaug7 — Augmented 7thGdim(maj7) — Diminished Major 7thGaugMaj7 — Augmented Major 7th