Bbsus4 piano chord — the keys, the inversions, the theory

Bbsus4 is a suspended fourth chord built from Bb, Eb, F. Below: the keys to press, every inversion with its own diagram, the intervals it is made of, the keys whose scale contains it, and a progression that actually uses it. Press any diagram to hear it.

Bbsus4

Bb · Eb · F

Piano keyboardC4C5

Semitones above the root: 0 – 5 – 7

The third is replaced by a fourth, so the chord is neither major nor minor until it resolves.

Inversions of Bbsus4

  • Root position

    Bb · Eb · F · bass Bb

  • Inversion 1

    Eb · F · Bb · bass Eb

  • Inversion 2

    F · Bb · Eb · bass F

Same chord, different note at the bottom. Press a diagram to hear it — inversions are how you move between chords without jumping your hand across the keyboard.

Keys that contain Bbsus4

  • Dbvi
  • Abii
  • EbV
  • BbI
  • F#iii

In Db it does this job: I – V – vi – IV

  1. Db
  2. Ab
  3. Bbsus4
  4. Gb

Questions