A Ultralocrian Cuatro Venezolano Scale
Cuatro Venezolano scale in Standard tuning — fretboard diagram
A Ultralocrian in Standard — Notes and Intervals
The A Ultralocrian scale is an extremely dark and condensed scale used to create intense chromatic tension. On Cuatro Venezolano, its notes are A, Bb, C, Db, Eb, F, Gb. It is used in avant-garde jazz and dark ambient music to explore the most dissonant boundaries of minor-key tonality. Commonly used in Avant-Garde, Dark Ambient, Experimental Jazz. Notable players include John Zorn, Derek Bailey. Use over dim7 chords in avant-garde contexts. More of a compositional tool than an improvisational one.
Notes: A, Bb, C, Db, Eb, F, Gb
Intervals: 1P, 2m, 3m, 4d, 5d, 6m, 7d
Degrees: 1 b2 b3 4 5 b6 7
Formula: H-W-H-W-W-H-WH
Number of notes: 7
Tuning: Standard (B-F#-D-A)
Also known as: superlocrian bb7, superlocrian diminished