Bb phrygian dominant scale
The Bb phrygian dominant scale consists of the Bb (Perfect unison), Cb (Minor second), D (Major third), Eb (Perfect fourth), F (Perfect fifth), Gb (Minor sixth) and Ab (Minor seventh) notes.

How to play the Bb phrygian dominant 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 F (Perfect fifth) — 7 semitones above Bb
- Play Gb (Minor sixth) — 8 semitones above Bb
- Play Ab (Minor seventh) — 10 semitones above Bb
- Play all 7 notes in ascending order to perform the Bb phrygian dominant scale