C# / Db Diminished (C#dim)

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A A# / Bb B C C# / Db D D# / Eb E F F# / Gb G G# / Ab
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maj min sus 2 sus 4 7 maj 7 min 7 min maj 7 7 sus 4 7 aug 5 7 aug 9 7 dim 5 7 dim 9 6 min 6 6 9 9 min 9 maj 9 9 dim 5 aug dim dim 5 dim 7 11 13
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The C# diminished (C#dim) chord is a chord having a root (C#), minor third (E) and a diminished fifth (G). An diminished chord is a minor chord where the perfect fifth has been lowered one semitone.