Voicing of E# Dominant 7 sus4

Drop 2 III

Back to E#7sus4

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Left hand
E#2E#3
Right hand
B#3D#4A#4
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Drop 2

The Drop 2 III voicing of E#7sus4 stacks E#, B#, D# and A# 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 E#7sus4 are Drop 2 I, Drop 2 II and Drop 2 IV.