C#7 is most commonly played with the root note on the 4th fret of the 5th string.
C#7 is short for C sharp dominant 7. The dominant 7 chord is a significant chord, because it plays a very important function in any given key.
The dominant 7 chord functions as a chord that resolves to the first chord in a key. For example, the C# dominant 7 chord resolves to the F# chord, which is the first chord in the key of F#.
10 Ways To Play The C#7 Chord
If you’ve come to this page just to view some chord diagrams for C#7, here they are.
Some Quick C Sharp 7 Chord Theory
- The C#7 chord contains the notes C#, E#, G# and B.
- C#7 is short for C Sharp dominant 7.
- The C#7 chord is produced by taking the 1 (root), 3, 5 and b7 of the C sharp Major scale.
- The C#7 is the fifth chord in the key of C#. It resolves naturally to the C# Major chord.
- The C#7 chord (just like all dominant 7 chords) contains the following intervals (starting from the root note): major 3rd, minor 3rd, minor 3rd, tone (which leads back to the root note).