Jazz diminished chords

The second commonly used application of a diminished chord in jazz is as a substitution for dominant 7b9 chords. Play a Dim7 chord from the 3rd of any dominant 7th chord in order to produce a rootless 7b9 chord. This allows you to outline the sound of the 7b9 chord, doing so with a smaller, four-note shape.

1. What are the 3 diminished 7 chords?
2. Are there only 3 diminished chords?
3. What chords can be diminished?
4. What can you play over a fully diminished chord?

What are the 3 diminished 7 chords?

For example, C diminished 7th contains four notes : C, Eb, Gb and A. Each note is separated by three semitones (minor thirds). Because a dim7 chord is made up of four minor third intervals, so there are three other diminished seventh chords in the Cdim7 chord : Ebdim7, Ebdim7 and Adim7.

Are there only 3 diminished chords?

The diminished chord is built out of minor 3rds (3 semitones). ... Because of this the diminished chord repeats at intervals of minor thirds. This means there are only 3 unique diminished chords: Cdim7 = E♭dim7 = G♭dim7 = Adim7.

What chords can be diminished?

There are three types of diminished chords: diminished triads, the diminished seventh, and the half-diminished seventh.
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Let's look at how to build these three chords using the key of D minor as an example.

• The Diminished Triad (dim or °) ...
• The Diminished Seventh Chord (dim7 or °7)

What can you play over a fully diminished chord?

The diminished scale is used to solo over diminished 7 (Dim7) chords. The diminished scale is different from the dominant diminished scale, which alternates half and whole steps and is used to solo over dominant 7b9 chords.