G# half diminished scale
The G# half diminished scale consists of the G# (Perfect unison), A# (Major second), B (Minor third), C# (Perfect fourth), D (Diminished fifth), E (Minor sixth) and F# (Minor seventh) notes.

How to play the G# half diminished scale
- Find G# (Root) on the piano keyboard
- Play A# (Major second) — 2 semitones above G#
- Play B (Minor third) — 3 semitones above G#
- Play C# (Perfect fourth) — 5 semitones above G#
- Play D (Diminished fifth) — 6 semitones above G#
- Play E (Minor sixth) — 8 semitones above G#
- Play F# (Minor seventh) — 10 semitones above G#
- Play all 7 notes in ascending order to perform the G# half diminished scale