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The C# Chord – How to build it on Guitar, Ukulele and Piano

Última actualización el 3 de January de 2023 por Sergio J. C.

In this article I will explain how to build and play the C# chord in all its variations and instruments (guitar, ukulele and piano) in a very simple way.

C# chord [Musical explanation]

🙏 Before we dive into how to build the C# chord on guitar, let me ask you for 2 minutes to explain to you the theory behind it:

C# chord pentagram staff stave

First of all, the C# triad chord, like any other chord, can be major or minor.

Likewise, if we add its seventh we would obtain the C# seventh chord (tetrad):

C#7 chord pentagram staff stave

C# Major Chord

The D major chord is defined by the following notes:

  • Type: major triad.
  • Formule: 1 3 5.
  • Music notes: C# (1) E# (3) G# (5).
  • Chords to play with: IV (F#) y V (G#).
C# chord pentagram staff stave

Which presents the following diagram on the guitar:

C# major guitar chord

Ukulele

C# ukulele chord

Piano

C# major chord piano

C# Minor Chord (C#m)

The C minor chord is defined by the following notes:

  • Type: minor triad.
  • Formule: 1 ♭3 5.
  • Music notes: C# (1) E (♭3) G# (5).
  • Chords to play with: iv (F#m) y v (G#m).
C#m chord pentagram staff stave

Which presents the following diagram on the guitar:

C# minor guitar chord

Ukulele

C#m ukulele

Piano

C#m piano chord

C# Major Seventh Chord (Cmaj7)

The C# major 7th chord is defined by the following notes:

  • Type: tetrad.
  • Formule: 1 3 5 7.
  • Music notes: C# (1) E# (3) G# (5) B# (7).
  • Chords to play with: IVmaj7 (F#maj7) y V7 (G#7).
C#maj7 chord pentagram staff stave

Which presents the following diagram on the guitar:

C#maj7 guitar chord

Ukulele

c#maj7 ukulele chord

Piano

C#maj7 piano chord

C# Dominant Seventh Chord (C#7)

The C# dominant 7th chord is defined by the following notes:

  • Type: major tetrad.
  • Formule: 1 3 5 ♭7.
  • Music notes: C# (1) E# (3) G# (5) B (♭7).
  • Chords to play with: IVmaj7 (F#maj7) y V7 (G#m7).
C#7 chord pentagram staff stave

Which presents the following diagram on the guitar:

C#7 guitar chord

Ukulele

C#7 ukulele chord

Piano

C#7 piano chord

C# Minor Seventh Chord (C#m7)

The C# minor 7th chord is defined by the following notes:

  • Type: tetrad.
  • Formule: 1 ♭3 5 ♭7.
  • Music notes: C# (1) E (♭3) G# (5) B (♭7).
  • Chords to play with: v (G#m7).
C#m7 chord pentagram staff stave

Which presents the following diagram on the guitar:

C#m7 guitar chord

Ukulele

C#m7 ukulele chord

Piano

C#m7 piano chord

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