Piano · major second inversion
A/5 Chord on Piano
A Major (2nd Inversion) is E, A, C# — the 5-1-3 pattern of a major second inversion chord. Here is the shape, the audio, and what usually goes wrong.
A/5 on piano is E, A, C# — three notes, one hand, no shortcuts needed.
Start here — Root Position (RH)
Root position — the root is the lowest note. This is the sound in your head when you read the chord symbol, and the one to learn first.
What beginners get wrong
Moving in and out of it
The shape above: Root Position (RH).
Listening: each shape above has its own play button, and each one plays the notes that shape actually produces — not a generic triad.
Chords next door
Same root, different colour — and all of them playable on piano.
A/5 on Piano — questions people ask
What is the easiest way to play A/5 on piano?
“Root Position (RH)” — which we rate beginner — is the easiest A/5 shape on piano. Root position — the root is the lowest note. This is the sound in your head when you read the chord symbol, and the one to learn first.
What notes are in the A Major (2nd Inversion) chord?
A Major (2nd Inversion) is E, A, C# — the 5-1-3 interval pattern of a major second inversion chord. Every voicing on this page uses those notes and nothing else; they just appear in a different order and octave.
What can I play instead of A/5?
The nearest stand-ins on piano that keep the same root are Asus4, Asus2, A. They keep the root and the fifth and only change what sits in the middle, so most songs still work — but check the swap against the melody, because the note you removed may be the one the tune is singing.
Learn the theory behind A/5
The shape gets your fingers there. These explain why it sounds the way it does.
Chord Inversions and Slash Chords — Same Notes, Different Attitude
Same notes, different bass note — what the slash in the name is actually doing.
5 min read
Voice Leading — Hold What You Can, Move Only What You Must
Inversions exist so your fingers move less between chords. This is the technique behind them.
6 min read
Functional Harmony: Three Roles, One Engine
An inverted chord still has a job in the key. Here is how to hear it.
6 min read