Bb 13th flat 9 Chord

Symbol: Bb13b9

Diagrams

Staff Notation

Staff Notation

Piano Keyboard

Bb13b9 chord – keys Bb, D, F, Ab, Cb, G highlightedPiano keyboard with keys Bb, D, F, Ab, Cb, G highlighted. Bb is the root note.DFCbGBbAb
Bb13b9 chord – keys Bb, D, F, Ab, Cb, G highlightedPiano keyboard with keys Bb, D, F, Ab, Cb, G highlighted. Bb is the root note.Bb

Guitar

Guitar chord diagram for Bb13b9 (6fr)Guitar chord voicing with notes Bb, F, Ab, D, G, Cb.Bb13b9 (6fr)6324

Intervals

NoteIntervalSemitones
BbP10
DM34
FP57
Abm710
Cbm91
GM139

About the Bb 13th flat 9 Chord

The Bb 13th flat 9 chord is built from the notes Bb, D, F, Ab, Cb, G. These notes are derived by stacking intervals above the root note Bb, following the interval pattern that defines every 13th flat 9 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 Bb13b9 in the Chord Identifier →