F seventh, suspended fourth

F7sus4

Also written F7sus · Fsus7

NotesF · B♭ · C · E♭
Formula1 · 4 · 5 · ♭7
F1C5B♭4E♭♭7
Root position

A dominant that has not decided: the 4th stands in for the 3rd. F7sus4 can resolve to F7 first — the classic sus-and-release — or go straight to B♭.

How pianists voice F7sus4

The same notes, laid out the way hands actually play them.

Open sus Two hands

F1C5E♭♭7B♭4

1 · ♭7 · 4 · 5 — root and ♭7 in the left hand, 4th and 5th in the right: the sus sound with room between the hands.

F7sus4 inversions

The same 4 notes with a different one in the bass. Each inversion is written as a slash chord.

Root position F7sus4

F1C5B♭4E♭♭7

Root at the bottom, stacked in 3rds: 1 · 4 · 5 · ♭7.

1st inversion F7sus4/B♭

C5F1B♭4E♭♭7

B♭ (the 4) in the bass: 4 · 5 · ♭7 · 1.

2nd inversion F7sus4/C

C5F1E♭♭7B♭4

C (the 5) in the bass: 5 · ♭7 · 1 · 4.

3rd inversion F7sus4/E♭

F1C5E♭♭7B♭4

E♭ (the ♭7) in the bass: ♭7 · 1 · 4 · 5.

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