Piano chords › C♯ diminished 7th
Symbol: C♯dim7 · Notes: C♯ – E – G – B♭
Three minor thirds stacked: the chord is symmetrical, it splits the octave into four equal parts. Very tense, it serves as a passing chord or in place of the dominant.
Fingering: right hand 1 2 3 5, left hand 5 3 2 1 (1 = thumb, 5 = pinky).
D♭ · C♯m · D♭7 · D♭maj7 · C♯m7 · D♭sus2 · D♭sus4 · C♯dim · D♭+ · D♭6 · C♯m6 · D♭add9 · C♯m7♭5