About the C# Minor 7th Chord
The C#m7 chord (C# Minor 7th) consists of 4 notes: C#, E, G#, B. A minor triad with a minor seventh. Smooth, soulful sound central to jazz and soul music.
To build any minor 7th chord, apply intervals of 0, 3, 7, 10 semitones above the root. Starting from C#: the notes land on C#, E, G#, B.
Playing C#m7 on Piano
Press C#, E, G#, B simultaneously. In root position, C# is lowest. First inversion places E in the bass for a lighter sound; second inversion uses G# as the bass note.
Common Chord Progressions Using C#m7
- I–IV–V: C#m7 – F#m7 – G#m7 (blues and rock)
- I–V–vi–IV: C#m7 – G# – A#m – F# (pop staple)
- I–vi–IV–V: C#m7 – A#m – F# – G# (50s progression)
The C#m7 Chord in Context
As a minor 7th chord, C#m7 is the tonic (I) in the key of C# major. It also appears as the IV chord in G# major, and as the V chord in F# major — making it one of the most important chords across all of Western music.