Chord · 7ths
A♭7 — A♭ Dominant 7th
A♭7 is the A♭ dominant 7th chord. It is built on the root A♭ with major 3rd (C), perfect 5th (E♭) and minor 7th (G♭) above it — the formula 1 3 5 ♭7, sounding the notes A♭ C E♭ G♭. On the piano it sits at Ab (octave 4) and above in the library's voicing; the same 4 notes in any octave are still A♭7.
- Root
- A♭
- Quality
- Dominant 7th
- Formula
- 1 3 5 ♭7
- Notes
- A♭ C E♭ G♭
On the keyboard
Right-hand fingering for this voicing: 1–2–3–5 (1 is the thumb).
The notes of A♭7
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | A♭ | root | A♭4 |
| 3 | C | major 3rd | C5 |
| 5 | E♭ | perfect 5th | E♭5 |
| ♭7 | G♭ | minor 7th | G♭5 |
Other 7ths on A♭
Dominant 7th chords on every root
Part of the chord reference. See also the scales and the keys.