Voicing of Bb Dominant 7 sus4

Drop 2 III

Back to Bb7sus4

Space plays and stops
Left hand
Bb2Bb3
Right hand
F4Ab4Eb5
Family
Drop 2

The Drop 2 III voicing of Bb7sus4 stacks Bb, F, Ab and Eb from the bottom up: the root, 5th, minor 7th and 4th of the chord.

It's one of the Drop 2 voicings: four-note chords in close position with the second note from the top dropped an octave, played over the root. The others for Bb7sus4 are Drop 2 I, Drop 2 II and Drop 2 IV.