C7sus4 chord (C dominant seventh suspended fourth) on piano
C7sus4 (C dominant seventh suspended fourth) has four notes: C, F, G and B flat. Its formula is 1, 4, 5, b7. In major keys, C7sus4 is the II7sus4 chord in Bb major, the III7sus4 in Ab major, the V7sus4 in F major and the VI7sus4 in Eb major.
C7sus4 inversions and fingering
C F G Bb · RH 1-2-3-5 · LH 5-3-2-1
F G Bb C · RH 1-2-4-5 · LH 5-4-2-1
G Bb C F · RH 1-2-3-5 · LH 5-3-2-1
Bb C F G · RH 1-2-4-5 · LH 5-4-2-1
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| Symbol | C7sus4 |
|---|---|
| Also written | C7sus |
| Notes | C F G Bb |
| Formula | 1 4 5 b7 |
| Intervals | root, perfect fourth, perfect fifth, minor seventh |
| Type | Dominant seventh suspended fourth chord |
C7sus4 across the keyboard
Piano, C3 to C5. Notes in this scale, low to high: C3 (1), F3 (4), G3 (5), Bb3 (flat 7), C4 (1), F4 (4), G4 (5), Bb4 (flat 7), C5 (1).
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Questions
What notes are in the C7sus4 chord?
C7sus4 (C dominant seventh suspended fourth) has four notes: C, F, G and B flat. Its formula is 1, 4, 5, b7. C is the root, F is the perfect fourth, G is the perfect fifth and Bb is the minor seventh.
How do you play C7sus4 on piano?
Play C, F, G and Bb together. Root position: C F G Bb · RH 1-2-3-5 · LH 5-3-2-1.
What key is C7sus4 in?
In major keys, C7sus4 is the II7sus4 chord in Bb major, the III7sus4 in Ab major, the V7sus4 in F major and the VI7sus4 in Eb major. It is diatonic to those keys, so it fits songs in any of them.
What is the difference between C7sus4 and C7?
C7sus4 and C7 share C, G and Bb. C7sus4 has F, the 4th, where C7 has E, the 3rd.