Diminished / Octatonic Scale
The Diminished/Octatonic scale, also known as the diminished scale, it is a musical scale that consists of eight notes. It is characterized by alternating whole step (Tone) and half-steps (Semitone) pattern. There are two types of Diminshed/Octatonic scale pattern: the half-whole (Semitone - Tone) and the whole-half (Tone - Semitone). The diminished scale is based on diminished 7th chord made up of a root note, a minor third, a diminished fifth, and a diminished seventh. In the example below, I have chosen to use the notes B, D, F Ab, these four notes form a diminished 7th chords derived from G7b9 which is the dominant chord to C (applicable to both Major or Minor tonality). You can use this scale pattern when you encounter a diminished 7th (dim 7th) chord. By and large, you would encounter dim 7th chord when it is used as a dominant chord. This...