Bb persian scale
The Bb persian scale consists of the Bb (Perfect unison), Cb (Minor second), D (Major third), Eb (Perfect fourth), Fb (Diminished fifth), Gb (Minor sixth) and A (Major seventh) notes.

How to play the Bb persian scale
- Find Bb (Root) on the piano keyboard
- Play Cb (Minor second) — 1 semitone above Bb
- Play D (Major third) — 4 semitones above Bb
- Play Eb (Perfect fourth) — 5 semitones above Bb
- Play Fb (Diminished fifth) — 6 semitones above Bb
- Play Gb (Minor sixth) — 8 semitones above Bb
- Play A (Major seventh) — 11 semitones above Bb
- Play all 7 notes in ascending order to perform the Bb persian scale