Piano chord · also written D♭7sus4

C♯ 7sus4 Piano Chord (C♯7sus4)

The C♯ 7sus4 chord on piano is made of the notes C♯, F♯, G♯ and B. Suspended with dominant tension. Common in funk and gospel.

C♯ 7sus4 chord on a piano keyboard: C♯, F♯, G♯, B C4C5 C♯ F♯ G♯ B

C♯7sus4 C♯ – F♯ – G♯ – B

Tap any key to hear it.

Name any chord from its keys in the chord finder →

What notes are in C♯ 7sus4?

4 notes, built 1 – 4 – 5 – ♭7 up from C♯.

Notes
C♯ – F♯ – G♯ – B
Formula
1 – 4 – 5 – ♭7
Semitones from the root
0 – 5 – 7 – 10
Symbol
C♯7sus4
Same keys as
D♭7sus4 (D♭ – G♭ – A♭ – C♭)
Chord type
7sus4, 4 notes

How to play C♯ 7sus4 on piano

  • Right hand: C♯ (1), F♯ (2), G♯ (3), B (5). Fingers 1 – 2 – 3 – 5, thumb on C♯.
  • Left hand: C♯ (5), F♯ (3), G♯ (2), B (1). Fingers 5 – 3 – 2 – 1, little finger on C♯.

Fingers are numbered 1 (thumb) to 5 (little finger) on both hands.

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C♯ 7sus4 inversions

Each inversion puts a different note of the chord in the bass. Written as a slash chord: C♯7sus4/F♯, C♯7sus4/G♯, C♯7sus4/B.

C♯ 7sus4 root position on piano: C♯, F♯, G♯, B C♯ F♯ G♯ B
Root position C♯7sus4 C♯ – F♯ – G♯ – B RH 1 – 2 – 3 – 5 · LH 5 – 3 – 2 – 1
C♯ 7sus4 1st inversion on piano: F♯, G♯, B, C♯ F♯ G♯ B C♯
1st inversion C♯7sus4/F♯ F♯ – G♯ – B – C♯ RH 1 – 2 – 3 – 5 · LH 5 – 3 – 2 – 1
C♯ 7sus4 2nd inversion on piano: G♯, B, C♯, F♯ G♯ B C♯ F♯
2nd inversion C♯7sus4/G♯ G♯ – B – C♯ – F♯ RH 1 – 2 – 3 – 5 · LH 5 – 3 – 2 – 1
C♯ 7sus4 3rd inversion on piano: B, C♯, F♯, G♯ B C♯ F♯ G♯
3rd inversion C♯7sus4/B B – C♯ – F♯ – G♯ RH 1 – 2 – 3 – 5 · LH 5 – 3 – 2 – 1

Progressions with C♯ 7sus4

Press play: the chords move across the keyboard as they sound, voiced so your hand barely moves.

ii–V–I

in F♯ major

  1. ii7 G♯m7
  2. V7sus4 C♯7sus4
  3. Imaj7 G♭maj7
ii–V–I in F♯ major: G♯m7, C♯7sus4, G♭maj7 B D♯ F♯ G♯

Minor cadence

in F♯ minor

  1. i F♯m
  2. iv Bm
  3. V7sus4 C♯7sus4
  4. i F♯m
Minor cadence in F♯ minor: F♯m, Bm, C♯7sus4, F♯m C♯ F♯ A

Can you find C♯ 7sus4?

Tap the notes on the keyboard, then check. Six chords, starting with this one.

1 / 6 Tap the notes of C♯ 7sus4 (C♯7sus4)

Score 0

Any octave, any order. Each key you tap plays.

Practice keyboard: tap the notes of the chord

What key is C♯ 7sus4 in?

The keys whose scale contains every note of C♯7sus4, with the chord’s Roman numeral in each.

Major keys

  • F♯ majorV7sus4

Minor keys

  • F♯ minorV7sus4 (harmonic minor)
  • E♭ minorVII7sus4

C♯ 7sus4 chord FAQ

What notes are in the C♯ 7sus4 chord?

C♯ 7sus4 (C♯7sus4) has 4 notes: C♯, F♯, G♯ and B. Its formula is 1 – 4 – 5 – ♭7, counted up from C♯.

How do you play C♯ 7sus4 on the piano?

Put your right thumb on C♯ and play C♯, F♯, G♯ and B with fingers 1 – 2 – 3 – 5. With the left hand, use fingers 5 – 3 – 2 – 1, little finger on C♯.

Is C♯ 7sus4 the same as D♭ 7sus4?

On the piano, yes: D♭7sus4 (D♭, G♭, A♭, C♭) uses exactly the same keys as C♯7sus4 (C♯, F♯, G♯, B). Which name is used depends on the key of the piece; C♯7sus4 is the more common spelling.

What are the inversions of C♯ 7sus4?

1st inversion: F♯, G♯, B, C♯ (C♯7sus4/F♯). 2nd inversion: G♯, B, C♯, F♯ (C♯7sus4/G♯). 3rd inversion: B, C♯, F♯, G♯ (C♯7sus4/B).

What key is C♯ 7sus4 in?

C♯7sus4 belongs to F♯ major (V7sus4) and E♭ minor (VII7sus4).

Other C♯ chords

7sus4 chords on every root

Piano chord chart: all 264 chords Open C♯7sus4 in the chord finder Free PDF chord chart Play it on the virtual piano