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G diminished (half-whole) scale

The G diminished (half-whole) scale is made of the notes G, A♭, B♭, B, C♯, D, E, F. It has 8 notes; compared with the major scale its formula is 1 ♭2 ♭3 3 ♯4 5 6 ♭7.

Symmetric · 8 notes

Note names
  1. 1G
  2. ♭2A♭
  3. ♭3B♭
  4. 3B
  5. ♯4C♯
  6. 5D
  7. 6E
  8. ♭7F

PatternH – W – H – W – H – W – H – W(W = whole step, H = half step)

Built by repeating the same pattern of intervals over and over. Degrees are shown relative to the major scale: ♭3 is the third lowered by a half step, ♯4 the fourth raised.

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Frequently asked questions

What are the notes of the G diminished (half-whole) scale?
The notes are G, A♭, B♭, B, C♯, D, E, F.
What is the pattern of the G diminished (half-whole) scale?
The sequence of steps is H – W – H – W – H – W – H – W (W = whole step, H = half step); compared with the major scale the degrees are 1 ♭2 ♭3 3 ♯4 5 6 ♭7.

Texts and tools by , professional musician and developer. Last updated: October 8, 2026.

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