Quick Answer & Harmonic Definition

To play the A Suspended 4th chord on piano, press the keys A, D, E simultaneously. In root position, A is the lowest note. First inversion places D in the bass; second inversion uses E as the lowest note.

Piano Chord

Asus4 Piano Chord

Replaces the third with a perfect fourth. Classic rock tension before resolution. Learn the A Suspended 4th chord on piano with interactive keyboard, inversions, and audio playback.

Notes
A – D – E
Intervals
0 – 5 – 7
Type
triad chord
A D E
E
A
D
G
B
e
3
5
7
9
12
3 notes · Standard (E A D G B E)

Playing the Asus4 Piano Chord

The Asus4 chord is a suspended 4th chord built on the root A. It contains 3 notes: A, D, E. On piano, this chord is played by pressing these keys simultaneously or as an arpeggio.

Replaces the third with a perfect fourth. Classic rock tension before resolution. Mastering the Asus4 chord opens up countless songs and progressions in the key of A.

Piano Finger Positions for Asus4

For the Asus4 triad chord, use these finger positions:

  • Right hand (root position): Thumb (1) on A, middle finger (3) on D, pinky (5) on E.
  • Left hand (root position): Pinky (5) on A, middle finger (3) on D, thumb (1) on E.
  • Arpeggiated: Play the notes sequentially from lowest to highest for a broken triad effect.

Asus4 Chord Inversions

Inversions change the bass note while keeping the same harmonic quality:

Inversion Bass Note Notes (bottom to top) Sound
Root A A – D – E Most stable
1st D D – E – A Lighter, less stable

Interval Structure of Asus4

Degree Interval Semitones Note in A
Root Root (R) 0 A
3rd Perfect 4th 5 D
5th Perfect 5th 7 E

Common Progressions with Asus4 on Piano

  • I–IV–V–I: Asus4 – Dsus4 – Esus4 – Asus4 (classic cadence)
  • I–V–vi–IV: Asus4 – E – F#m – D (pop progression)
  • ii–V–I: Bm – E – Asus4 (jazz turnaround)

Other A Piano Chords

A
Major
Am
Minor
A7
Dominant 7th
Amaj7
Major 7th
Am7
Minor 7th
Adim
Diminished

Sus4 Chord in All 12 Keys

Csus4 C#sus4 Dsus4 D#sus4 Esus4 Fsus4 F#sus4 Gsus4 G#sus4 Asus4 A#sus4 Bsus4
Virtual Piano
Interactive keyboard
Asus4 Guitar
Guitar chord shapes
A Scale
Notes that fit this chord
Songs
Find songs using Asus4

Knowledge Base & FAQs

Asus4 Piano Chord — FAQ

Everything you need to know about our browser-based Web Audio engine, instruments, and music theory workspace.

How do I play the Asus4 chord on piano?

To play the A Suspended 4th chord on piano, press the keys A, D, E simultaneously.

In root position, A is the lowest note. First inversion places D in the bass; second inversion uses E as the lowest note.

What are the notes in the Asus4 piano chord?

The A Suspended 4th piano chord contains 3 notes: A, D, E.

These are derived from the suspended 4th interval formula applied to the root note A.

What is the best fingering for Asus4 on piano?

For the Asus4 triad in root position, use fingers 1 (thumb), 3, and 5 for a triad, or 1, 2, 3, and 5 for a triad chord.

Inversions may use 1, 2, 4 (first inversion) or 1, 3, 5 (second inversion).

What does the Asus4 chord sound like?

The Asus4 chord has a replaces the third with a perfect fourth.

classic rock tension before resolution. It provides rich harmonic tension and expressive color within songwriting and jazz arrangements.

What keys does the Asus4 chord belong to?

Asus4 appears frequently across modal, jazz, blues, and contemporary progressions as an essential tension or resolution voicing.

What are the inversions of Asus4 on piano?

Asus4 has 2 inversions.

Root position: A–D–E. First inversion: D–E–A.

What chords go well with Asus4 on piano?

In the key of A major, Asus4 pairs naturally with D major (IV chord), E major (V chord), and F#m (vi chord).

The I–IV–V–I progression is a classic way to practice these.

Is Asus4 a good chord for beginners on piano?

Yes, Asus4 is a triad with 3 notes, making it accessible for beginners.

Practice playing all 3 keys simultaneously with proper finger positioning.

How do I use Asus4 in a chord progression?

Asus4 functions as the tonic (I) in A major.

A classic progression is I–IV–V–I: Asus4–D–E–Asus4. Practice this in both hands separately before combining.

What is the difference between A major and A minor on piano?

The A major chord (A–C#–E) uses a major third (4 semitones from root) for a bright sound.

The Am chord uses a minor third (3 semitones) for a darker, more emotional sound.