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A♭ Suspended 2nd Piano Chord

The A♭ Suspended 2nd chord contains A♭, B♭, E♭. Formula: 1–2–5.

A♭ Suspended 2nd keyboard and inversions

A♭ Suspended 2nd
A♭sus2
Chord tones
A♭B♭E♭
Formula
125
Notes
A♭ · B♭ · E♭
Quality
Suspended second chord
Formula
1 · 2 · 5
Keyboard range
C3–C6
Position
Notes from low to high
A♭3B♭3E♭4
A♭sus2
Bass: A♭3
Download A♭sus2 PDF
Simple reference tone; not a recording of an acoustic piano.

The a♭ suspended 2nd chord replaces the third with a major second.

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♭ Suspended 2nd formula

A♭sus2 uses 1–2–5: A♭–B♭–E♭.

The a♭ suspended 2nd chord replaces the third with a major second.

Compare A♭ Suspended 2nd

Compared with A♭ major, replace the third with the second.

A♭ Suspended 2nd inversions

The chord tones stay the same while the lowest chord tone changes.

A♭ Suspended 2nd: root position, first inversion, and second inversion
PositionSymbolNotes, low to highBass
Root position, current selectionA♭sus2A♭3–B♭3–E♭4A♭3
First inversionA♭sus2/B♭B♭3–E♭4–A♭4B♭3
Second inversionA♭sus2/E♭E♭4–A♭4–B♭4E♭4
Reference scope

Fingering is not provided for this reference

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 numbers
Sources and scope

Triads — Open Music Theory

Open 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-TRIADS

The Piano Chord Collection — Diminished & Augmented

PianoChord.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-COLLECTION

The Piano Chord Collection — Suspended 2nd & 4th

PianoChord.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-SUS

Questions about A♭sus2

What notes are in A♭sus2?

A♭, B♭, E♭.

What is the formula for A♭sus2?

1–2–5.

Does an inversion change the chord root?

No. The root stays the same; the lowest chord tone changes.

Interactive practice

Build A♭sus2 on the keyboard

Select the three pitch classes that make A♭sus2, 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.

3Choose three pitch classes

One octave, C through B. Select a key again to remove it.

One-octave keyboard from C through B
Selected: none
Choose notes, then check your answer.

Print this chord reference

Download A♭sus2 PDF