How do you play the G maj7(b5)(sus)/Ab chord?

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

What notes are in the G maj7(b5)(sus)/Ab chord?

The G maj7(b5)(sus)/Ab chord uses the 3 notes of the G maj7(b5)(sus) chord — G (Perfect unison), Db (Diminished fifth) and F# (Major seventh) — with Ab 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 G maj7(b5)(sus)/Ab chord means a G maj7(b5)(sus) chord with Ab in the bass.

G maj7(b5)(sus)/Ab

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

How to play the G maj7(b5)(sus)/Ab chord

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

Related slash chords

C# sus4(b5)/G#