Before we look at the diminished scale it is worth noting that we can find two different modes within the scale:
To begin with we will use the E diminished scale as it is an easy guitar fingering.
From the diminished scale we can use Dominant chords in Minor 3rds.
Tetrachord line ascending in Minor 3rds played over a C7 dominant chord.
Tetrachord Root flat 5 over C7 Dominant Chord
Below is a fingering that is from a John Mclaughlin sequence using the E diminished scale and is [To Me] a very comfortable fingering. The key is to connect each 4 not grouping [Tetrachord] with the 1s finger. This way the scale flows really easily and comfortably.
ANOTHER IDEA AND VARIATIONS:
From C diminished scale we go up in minor 3rds with 7#9’s
Here we Employ Minor 7ths in minor 3rds
Next we employ Dominant 7ths in Minor 3rds
In this example we employ Slash Chords
To finish with we have some more chord ideas but this time from the g sharp diminished scale.
THE 13 FLAT 9 dominant chord
This is the common “Altered” dominant for this scale.
Below is a John Mclaughlin minor 7 flat 5 to a 13 flat 9 This has a masterful and great original fusion sound to it that avoids the predictable diminished cliche
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