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

How to play the C major locrian scale
- Find C (Root) on the piano keyboard
- Play D (Major second) — 2 semitones above C
- Play E (Major third) — 4 semitones above C
- Play F (Perfect fourth) — 5 semitones above C
- Play F# (Diminished fifth) — 6 semitones above C
- Play G# (Minor sixth) — 8 semitones above C
- Play A# (Minor seventh) — 10 semitones above C
- Play all 7 notes in ascending order to perform the C major locrian scale