Voicing of Dominant 7 sus4

Drop 2 II

Back to C7sus4

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Left hand
C3
Right hand
Bb3F4G4C5
Family
Drop 2

The Drop 2 II voicing of C7sus4 stacks Bb, F, G and C from the bottom up: the minor 7th, 4th, 5th and root 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 C7sus4 are Drop 2 I, Drop 2 III and Drop 2 IV.