What is a diminished scale?
A diminished scale, also known as an octatonic scale, is a very unique scale. First, it has 8 notes! And a lot of the notes have a double flat. It is shown below.
You rarely use the Diminished scale, but you use diminished chords very often. For example, sometimes when reading from a lead sheet, you can see something like G#dim7. When in a key such as G minor, you rarely use I or Vdim7. In some songs in D minor, you see a G#dim7. Below, there is a demo of a C diminished scale, a Cdim chord, and a Cdim7. An interesting fact about the Diminished scale is symetric. That means that if you flipped the scale around, it would still be a diminished scale. The diminished scale was probably "invented" in the 7th century in Persia.
The diminished note of a major scale is the 7th. It is noramally shown as VII°. The symbol in HTML is °. If you have any suggestions, you can contact us here.