Bsus4(b9) Suspended

The Bsus4(b9) chord is built from the notes B – E – F# – C.

Piano sound loads on first tap.

Also known as

Bsus4b9

Chord tones, one by one

BRoot

Root

The fundamental note the chord is built on — B.

EThird

Suspended 4th

A perfect 4th replaces the third — tense, wants to resolve (sus4).

F#Fifth

Perfect fifth

Seven semitones — the most stable interval, reinforces the root.

CExtension

Flat ninth (♭9)

A ♭9 — sharp, dissonant tension typical of altered dominant chords.

🎼 Related scales

🎹 Modal analysis

This chord implies the Phrygian scale; its characteristic note is the ♭9 / ♭2.

🎸 Genres

Flamenco · Metal · Modal jazz

sus4(b9) in every key

More B chords

More B chords from Phrygian