Chord · 7ths
G♯m7♭5 — G♯ Half-Diminished
G♯m7♭5 is the G♯ half-diminished chord. It is built on the root G♯ with minor 3rd (B), diminished 5th (D) and minor 7th (F♯) above it — the formula 1 ♭3 ♭5 ♭7, sounding the notes G♯ B D F♯. On the piano it sits at G# (octave 4) and above in the library's voicing; the same 4 notes in any octave are still G♯m7♭5.
- Root
- G♯
- Quality
- Half-Diminished
- Formula
- 1 ♭3 ♭5 ♭7
- Notes
- G♯ B D F♯
On the keyboard
Right-hand fingering for this voicing: 1–2–3–5 (1 is the thumb).
The notes of G♯m7♭5
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | G♯ | root | G♯4 |
| ♭3 | B | minor 3rd | B4 |
| ♭5 | D | diminished 5th | D5 |
| ♭7 | F♯ | minor 7th | F♯5 |
Other 7ths on G♯
Half-Diminished chords on every root
Part of the chord reference. See also the scales and the keys.