How do you play the C# maj7(b5)/A chord?

To play the C# maj7(b5)/A chord on piano, play the C# maj7(b5) chord (C#, F, G and C) with A as the lowest bass note. Place the A note below the other chord tones. Slash chords specify a particular bass note different from the chord root.

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 C# maj7(b5)/A chord means a C# maj7(b5) chord with A in the bass.

C# maj7(b5)/A

Q: What notes are in the C# maj7(b5)/A chord?

The C# maj7(b5)/A chord uses the 4 notes of the C# maj7(b5) chord — C# (Perfect unison), F (Major third), G (Diminished fifth) and C (Major seventh) — with A played as the bass note in the lowest register.

The C# maj7(b5) chord consists of the C# (Perfect unison), F (Major third), G (Diminished fifth) and C (Major seventh) notes, with A as the bass note.

Piano keyboard showing the notes for a C# maj7(b5)/A chord

How to play the C# maj7(b5)/A chord

Play A as the lowest bass note in the left hand
Find C# (Root) on the piano keyboard
Add F (Major third) — 4 semitones above C#
Add G (Diminished fifth) — 6 semitones above C#
Add C (Major seventh) — 11 semitones above C#
Press all 5 notes simultaneously to sound the C# maj7(b5)/A chord

Related chords with same root

A 7(alt)

Related slash chords

G 11(b5)(sus4)/A