The A♭ Suspended 4th chord contains A♭, D♭, E♭. Formula: 1–4–5.
The a♭ suspended 4th chord replaces the third with a perfect fourth.
Preserve the written note spelling shown for this chord.
Choose a position to keep the written notes, sounding keys, bass note, playback and print reference synchronized.
A♭sus4 uses 1–4–5: A♭–D♭–E♭.
The a♭ suspended 4th chord replaces the third with a perfect fourth.
Compared with A♭ major, replace the third with the fourth.
The chord tones stay the same while the lowest chord tone changes.
| Position | Symbol | Notes, low to high | Bass |
|---|---|---|---|
| Root position, current selection | A♭sus4 | A♭3–D♭4–E♭4 | A♭3 |
| First inversion | A♭sus4/D♭ | D♭4–E♭4–A♭4 | D♭4 |
| Second inversion | A♭sus4/E♭ | E♭4–A♭4–D♭5 | E♭4 |
No independent fingering dataset is authorized for N2B.
Use the written notes, keyboard positions and playback without treating the diagram as a required hand shape.
Read left- and right-hand finger numbersOpen Music Theory
Supports: diminished = minor third + diminished fifth; augmented = major third + augmented fifth; triad spelling principles
Scope limit: Theory and spelling cross-check only; no source prose, artwork, fingering or PDF is copied.
Checked 2026-09-12 · N2B-OMT-TRIADSPianoChord.org
Supports: competitor family coverage; cross-check examples only
Scope limit: Theory and spelling cross-check only; no source prose, artwork, fingering or PDF is copied.
Checked 2026-09-12 · N2B-PC-COLLECTIONPianoChord.org
Supports: sus2 = 1-2-5; sus4 = 1-4-5; cross-check examples only
Scope limit: Theory and spelling cross-check only; no source prose, artwork, fingering or PDF is copied.
Checked 2026-09-12 · N2B-PC-SUSA♭, D♭, E♭.
1–4–5.
No. The root stays the same; the lowest chord tone changes.
Select the three pitch classes that make A♭sus4, then check your answer.
This one-octave exercise checks pitch classes. Order and octave do not affect the result; fingering and live performance are not assessed.
One octave, C through B. Select a key again to remove it.
Chord tones: A♭–D♭–E♭ · Formula: 1, 4, 5
Dots mark the notes to play. C4 is middle C. Numbers identify octaves, not fingers.