How do you play the A 3/C chord?

To play the A 3/C chord on piano, play the A 3 chord (A and C#) with C as the lowest bass note. Place the C note below the other chord tones. Slash chords specify a particular bass note different from the chord root.

What notes are in the A 3/C chord?

The A 3/C chord uses the 2 notes of the A 3 chord — A (Perfect unison) and C# (Major third) — with C played as the bass note in the lowest register.

What is a slash chord?

A slash chord (or compound chord) is written as Chord/Bass and specifies both a chord and a bass note. The note to the right of the slash is played as the lowest note. The A 3/C chord means a A 3 chord with C in the bass.

A 3/C

The A 3 chord consists of the A (Perfect unison) and C# (Major third) notes, with C as the bass note.

Piano keyboard showing the notes for a A 3/C chord

How to play the A 3/C chord

Play C as the lowest bass note in the left hand
Find A (Root) on the piano keyboard
Add C# (Major third) — 4 semitones above A
Press all 3 notes simultaneously to sound the A 3/C chord