The C-sharp minor seventh chord (abbreviated "C#m7 chord") is a four-note chord consisting of the notes C, E, G, and B. The chord is formed by adding a minor seventh to a C-sharp minor chord.

Name
C-sharp minor seventh chord
Synonym
C-sharp minor-minor seventh chord
Notes
C E G B
Intervals
1 3 5 7
Chord symbol
Cm7
Alternative symbols
C7 Cmi7 Cmin7
Type
tetrad (four-note chord)

C#m7 chord on piano

C#m7 chord on guitar

C#m7 chord on ukulele

C#m7 chord on the staff