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Guitar chord
C♯°7 Chord
C♯°7 is a diminished 7th chord rooted on C♯. Four notes stacked in minor thirds, perfectly symmetrical. Maximum tension, and it can resolve in four directions at once.
The notes
Every C♯°7 chord anywhere on the neck is some arrangement of these 4 notes.
C♯1
E♭3
G♭5
B♭𝄫7
How to play it
2 shapes, low on the neck to high. Tap any diagram to hear it. Green marks the root.