A# istrian scale
The A# istrian scale consists of the A# (Perfect unison), B (Minor second), C# (Minor third), D (Major third), E (Diminished fifth) and F (Perfect fifth) notes.

How to play the A# istrian scale
- Find A# (Root) on the piano keyboard
- Play B (Minor second) — 1 semitone above A#
- Play C# (Minor third) — 3 semitones above A#
- Play D (Major third) — 4 semitones above A#
- Play E (Diminished fifth) — 6 semitones above A#
- Play F (Perfect fifth) — 7 semitones above A#
- Play all 6 notes in ascending order to perform the A# istrian scale