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

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