Ab Diminished Major 7th Chord

Symbol: AbdimMaj7

Diagrams

Staff Notation

Staff Notation

Piano Keyboard

AbdimMaj7 chord – keys Ab, Cb, Ebb, G highlightedPiano keyboard with keys Ab, Cb, Ebb, G highlighted. Ab is the root note.EbbGCbAb
AbdimMaj7 chord – keys Ab, Cb, Ebb, G highlightedPiano keyboard with keys Ab, Cb, Ebb, G highlighted. Ab is the root note.EbbGCbAb

Guitar

Guitar chord diagram for AbdimMaj7 (11fr)Guitar chord voicing with notes Ab, Ebb, G, Cb.AbdimMaj7 (11fr)11234

Intervals

NoteIntervalSemitones
AbP10
Cbm33
Ebbd56
GM711

About the Ab Diminished Major 7th Chord

The Ab Diminished Major 7th chord is built from the notes Ab, Cb, Ebb, G. These notes are derived by stacking intervals above the root note Ab, following the interval pattern that defines every Diminished Major 7th chord. Understanding how a chord is constructed from intervals is one of the most valuable skills in music theory, because it allows you to build the chord in any key and recognize it in any context.

You can use this chord in a variety of musical contexts. Try exploring the scales that contain these notes to discover which keys this chord naturally belongs to. Each scale listed above shares all the notes of this chord, making it a diatonic chord within that key. Understanding these relationships helps with songwriting, improvisation, and arranging.

Try AbdimMaj7 in the Chord Identifier →