Bb 9th sus4 Chord

Symbol: Bb9sus4

Diagrams

Staff Notation

Staff Notation

Piano Keyboard

Bb9sus4 chord – keys Bb, Eb, F, Ab, C highlightedPiano keyboard with keys Bb, Eb, F, Ab, C highlighted. Bb is the root note.FCBbEbAb
Bb9sus4 chord – keys Bb, Eb, F, Ab, C highlightedPiano keyboard with keys Bb, Eb, F, Ab, C highlighted. Bb is the root note.Bb

Guitar

Guitar chord diagram for Bb9sus4 (1fr)Guitar chord voicing with notes Bb, Eb, Ab, C, F.Bb9sus4 (1fr)

Intervals

NoteIntervalSemitones
BbP10
EbP45
FP57
Abm710
CM92

About the Bb 9th sus4 Chord

The Bb 9th sus4 chord is built from the notes Bb, Eb, F, Ab, C. These notes are derived by stacking intervals above the root note Bb, following the interval pattern that defines every 9th sus4 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 Bb9sus4 in the Chord Identifier →