Fully Diminished Chords or dim7

The modulation chord

The fully diminished chord is 6 chord, for example C6, with the 3rd and 5th lowered. Or a m6, for example Cm6, with the 5th lowered. However, it’s name comes from traditional theory, where a standard 7 chord, often called a dominant 7 chord, lowers every note but the root. There are only four of them, and each one easily moves to four different keys. For this reason it is a modulation chord.

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Diminished Chords



2 thoughts on “Fully Diminished Chords or dim7

  1. As you know diminished chords allow you to move anywhere. They are like main stations in a bus or train system, or major airports. You get to a diminished chord and from that chord you can go in many interesting directions.

  2. The more I look at the diminished chord, the more I play with it, the more it is a magical and fun thing. The piano makes things so much more visible, and really, if I had to do it again I’d start there rather than the theory books which make it complicated and dour.


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