Bb Dominant 7 sus4 b9

Scales that fit

1. Mode of Melodic Minor

   Bb Phrygian #6

2. Mode of Major

   Bb Phrygian

Voicings All 8

• Guide Tones I

• Guide Tones II

• Rooted Guide Tones I

• Rooted Guide Tones II

• Shell I

• Shell II

• Type A

• Type B