This Keynote presentation deals with the Diminished Scale & Dominant Diminished Scale and the correlating chords. The scale- and chord diagrams were created with the fonts Chords and Scales. No images or shapes were used.
Screenshot | Keynote Presentation
Use the diminished scale (symmetric diminished scale) for diminished seventh chords. It is an eight-note scale built by alternating whole steps and half steps.
e.g. use C diminished scale for Cdim7
Dominant Diminished Scale
Use the dominant diminished scale for 7(b9) chords. It is an eight-note scale built by alternating half steps and whole steps.
e.g. use C dominant diminished for C7(b9)
Diminished Scale · Dominant Diminished Scale · Chords
Create dominant seventh chords by lowering any note of a diminished seventh chord a minor second.