Bb Ultraphrygian Scale
4-string bass · Mode III dbl harm. · 7 notes · minor family
Notes
B♭
C♭
D♭
E♭♭
F
G♭
A♭♭
Solfège : Si♭ – Do♭ – Ré♭ – Mi♭♭ – Fa – Sol♭ – La♭♭
Interval Structure
B♭
½T
C♭
T
D♭
½T
E♭♭
T+½T
F
½T
G♭
½T
A♭♭
→
B♭+oct.
T+½T
Scale Chords (triads)
| Degree | Chord (in Bb) | Quality |
|---|---|---|
| i | B♭m | minor |
| ii | C♭m | minor |
| III | D♭? | — |
| IV+ | E♭♭+ | augmented |
| V | F? | — |
| VI | G♭ | Major |
| VII | A♭♭ | Major |
About this scale
Mode III of the double harmonic. A diminished fourth and a doubly flattened seventh are added to the Phrygian minor second: a dense scale, almost entirely chromatic in its lower half.
See fretboard positions, piano and arpeggios for Bb Ultraphrygian in the interactive app.
Explore in ScalaBass →