Bb Diminished Major 7th Chord

Symbol: BbdimMaj7

Diagrams

Staff Notation

Staff Notation

Piano Keyboard

BbdimMaj7 chord – keys Bb, Db, Fb, A highlightedPiano keyboard with keys Bb, Db, Fb, A highlighted. Bb is the root note.FbADbBb
BbdimMaj7 chord – keys Bb, Db, Fb, A highlightedPiano keyboard with keys Bb, Db, Fb, A highlighted. Bb is the root note.FbADbBb

Guitar

Guitar chord diagram for BbdimMaj7 (1fr)Guitar chord voicing with notes Bb, Fb, A, Db.BbdimMaj7 (1fr)234

Intervals

NoteIntervalSemitones
BbP10
Dbm33
Fbd56
AM711

About the Bb Diminished Major 7th Chord

The Bb Diminished Major 7th chord is built from the notes Bb, Db, Fb, A. These notes are derived by stacking intervals above the root note Bb, 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 BbdimMaj7 in the Chord Identifier →