What is a C#7 Chord?
C#7
C#7 Dominant 7th
String-by-String
C#7 Dominant 7th is a dominant seventh chord combining the root C#, major third F, perfect fifth G#, and minor seventh B. It creates tension that wants to resolve, essential in blues and jazz.
Intervals
Notes
Why does C#7 sound bluesy and unresolved?
The C#7 Dominant 7th chord gets its bluesy and unresolved character from the combination of its root, major 3rd, perfect 5th, minor 7th. The specific intervals between the notes C#, F, G#, Bcreate the harmonic tension and color that define this chord's unique sonic signature.
How to use C#7?
C#7 is commonly used in progressions across many genres. Try substituting it where you would normally play a standard C# chord for added harmonic interest. It pairs well with other chords in the key of C# and can serve as both a foundation and a color chord depending on the context.