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The A Diminished (Half/Whole) scale is a diminished (half/whole) scale which means it has the following definition:
R b2 b3 3 #4 5 6 b7
The Diminished (Half/Whole) scale is an eight note scale made up of a repeating half step / whole step pattern.
The notes in the A Diminished (Half/Whole) scale are:
A Bb C C# D# E F# G A
There are 8 notes in the scale with 1 flat and 3 sharps.
The scale definition for the A Diminished (Half/Whole) guitar scale is R b2 b3 3 #4 5 6 b7 which means that the interval formula for the scale in semitones is:
1 2 1 2 1 2 1 2
You can also write this as note intervals:
Semitone Tone Semitone Tone Semitone Tone Semitone Tone
Let's take a look at A Diminished (Half/Whole) on the guitar fretboard. Here is the scale across the entire fretboard:
Here is a quick recap of all the information about the A Diminished (Half/Whole) covered in this page:
The A Diminished (Half/Whole) Scale is a diminished (half/whole) scale.
The definition of the A Diminished (Half/Whole) scale is: R b2 b3 3 #4 5 6 b7
The notes in the A Diminished (Half/Whole) guitar scale are: A Bb C C# D# E F# G A
The interval formula for the A Diminished (Half/Whole) scale is: 1 2 1 2 1 2 1 2
The note intervals in the A Diminished (Half/Whole) scale are: Semitone Tone Semitone Tone Semitone Tone Semitone Tone