How do you play the Gb maj7(no3)/Dbb chord?

To play the Gb maj7(no3)/Dbb chord on piano, play the Gb maj7(no3) chord (Gb and F) with Dbb as the lowest bass note. Place the Dbb note below the other chord tones. Slash chords specify a particular bass note different from the chord root.

What notes are in the Gb maj7(no3)/Dbb chord?

The Gb maj7(no3)/Dbb chord uses the 2 notes of the Gb maj7(no3) chord — Gb (Perfect unison) and F (Major seventh) — with Dbb 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 Gb maj7(no3)/Dbb chord means a Gb maj7(no3) chord with Dbb in the bass.

Gb maj7(no3)/Dbb

The Gb maj7(no3) chord consists of the Gb (Perfect unison) and F (Major seventh) notes, with Dbb as the bass note.

How to play the Gb maj7(no3)/Dbb chord

Play Dbb as the lowest bass note in the left hand
Find Gb (Root) on the piano keyboard
Add F (Major seventh) — 11 semitones above Gb
Press all 3 notes simultaneously to sound the Gb maj7(no3)/Dbb chord

Inversions with same root

C sus4(b5)

Related chords with different root

F# maj7(b5)(sus)