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New Released in April 2026

C Sharp Dominant 7 Chord on Guitar (C#7)

C sharp dominant 7 (C#7) on the guitar: lay the index finger across fret 4 and add the other fingers. Strum from the 5th string down and you hear C#, E#, G#, B. Here is the shape, finger by finger, plus the chords you will play next to it.

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  • MIDI keyboard
  • Digital or acoustic piano
  • Guitar
  • Computer, phone or tablet
4fr×
C#7 C# E# G# B

The C sharp dominant 7 guitar chord, finger by finger

4fr×
C#7 C# E# G# B

Fingers and frets

  • Index: across the strings (barre), fret 4
  • Ring: 4th string (D), fret 6
  • Little: 2nd string (B), fret 6

Which strings to strum

x46464: × = do not play, 0 = open string.

C#7 string by string

5th string (A)fret 4: C#
4th string (D)fret 6: G#
3rd string (G)fret 4: B
2nd string (B)fret 6: E#
1st string (high E)fret 4: G#

From C# to C#7: 3rd string (G): fret 6 → fret 4.

Slide this shape along the neck: fret 2 = B7, fret 3 = C7, fret 5 = D7, fret 6 = Eb7.

Play C#7 with these chords

These chords share notes with C#7 and sound right next to it. Practise switching between them.

C# · F# · G#

Where C#7 is used

C#7 pulls towards F#: play C#7, then F#, and you hear it land. It is the V7 chord of F# major.

ChordRunner on a phone next to an acoustic guitar, with a chord block on screen

Play C#7 in a game

Strum C#7 near the microphone when it comes up in ChordRunner: the game checks all four notes, C#, E#, G#, B, and moves on. MIDI keyboard or microphone, both work. MIDI keyboard or microphone, both work.

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C#7 on piano · Easy guitar chords · Guitar chord game

Common questions

Is C#7 easy on guitar?

It is a barre chord at fret 4, so it takes a little more strength at first. Start slowly, check that every string rings, then practise switching to C#.

What is the difference between C#7 and C# on guitar?

C#7 adds one note to C#: B, on top of C# E# G#. From C# to C#7: 3rd string (G): fret 6 → fret 4.

Which fingers do I use for C#7?

Index finger: across the strings (barre), fret 4, ring finger: 4th string (D), fret 6, little finger: 2nd string (B), fret 6.

Does ChordRunner hear C#7 on guitar?

Yes. Strum it near the phone or computer microphone and the game checks the four notes C#, E#, G#, B. A USB MIDI keyboard works too.

Your instrument is the controller.

ChordRunner is a browser game that teaches piano and guitar chords: a chord appears on screen, you play it on a real instrument, and your runner jumps. MIDI keyboard or microphone, both work.

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