Chord · Triads

B♭sus4 — B♭ Suspended 4th

B♭sus4 is the B♭ suspended 4th chord. It is built on the root B♭ with perfect 4th (E♭) and perfect 5th (F) above it — the formula 1 4 5, sounding the notes B♭ E♭ F. On the piano it sits at Bb (octave 3) and above in the library's voicing; the same 3 notes in any octave are still B♭sus4.

Root
B♭
Quality
Suspended 4th
Formula
1 4 5
Notes
B♭ E♭ F

On the keyboard

B♭sus4 on the piano keyboard: B♭ E♭ F145B♭E♭F

Right-hand fingering for this voicing: 1–4–5 (1 is the thumb).

The notes of B♭sus4

DegreeNoteInterval from the rootPitch
1B♭rootB♭3
4E♭perfect 4thE♭4
5Fperfect 5thF4

Other triads on B♭

Suspended 4th chords on every root

Part of the chord reference. See also the scales and the keys.