Just for the Curious - 5 More Holdsworth Scales

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This page is a continuation of the article “Allan Holdsworth’s 10 Most Usable Scales”.

In the 1992 video by REH, Allan Holdsworth presented 10 scales, which he called “the most usable”.

In 1993, the book ‘Just for the Curious’ was released, to “accompany and perhaps clarify some points in the video”.

The book features all of the 10 scales mentioned in the video, and 5 more.

On this page, therefore, are the remaining 5 scales which Holdsworth presented to the public as ‘usable’.

There is however much more to his methodology than merely these 15 scales.

Much of this website is dedicated to a perspective on music theory and improvisation inspired by, but not targeted towards Holdsworth’s style and concepts.

Just for the Curious - Allan Holdsworth

Table of Contents


Scale 1 of 5Holdsworth's Usable Scales
Switch scales with the pills, the arrows, or when the console is focused.

No 11 Db Jazz Minor (add #4)

Allan's symbol: Dbⓧɣ+4 1 – 2 – b3 – 4 – #4 – 5 – 6 – 7

Db Jazz Minor (add #4) scale, full-neck fretboard diagram, Fretly rendering

Allan’s symbol: Dbⓧɣ+4

Notes: Db - Eb - E - Gb - G - Ab - Bb - C

Intervals: 1 - 2 - b3 - 4 - #4 - 5 - 6 - 7

More info: Jazz Minor add #4.

Modes

A mode is this same set of notes heard from a different starting note. Pick one to see it on the circle.

Explore the Db Jazz Minor (add #4) scale in Fretly

Backing tracks

Jam this scale over these. They open on the track page.

Db Jazz Minor (add #4) scale circle diagram, Fretly rendering

Triads

DbmDb, E, Ab DbdimDb, E, G Dbsus2Db, Eb, Ab Dbsus4Db, Gb, Ab EbEb, G, Bb EbmEb, Gb, Bb Ebsus4Eb, Ab, Bb EdimE, G, Bb E+E, G#, C GbGb, Bb, Db Gbsus2Gb, Ab, Db GdimG, Bb, Db AbAb, C, Eb Ab+Ab, C, E Absus2Ab, Bb, Eb Absus4Ab, Db, Eb BbdimBb, Db, E CC, E, G

3 more

Seventh chords

Dbdim7Db, E, G, Bb DbmMaj7Db, E, Ab, C Dbm6Db, E, Ab, Bb Dbmaj7sus4Db, Gb, Ab, C Eb7Eb, G, Bb, Db Ebm7Eb, Gb, Bb, Db Eb6Eb, G, Bb, C Ebm6Eb, Gb, Bb, C Eb7sus4Eb, Ab, Bb, Db Edim7E, G, Bb, Db Emaj7#5E, G#, C, D# Emaj7b5E, G#, Bb, D# Gb7Gb, Bb, Db, E Gb7b5Gb, Bb, C, E Gb6Gb, Bb, Db, Eb Gdim7G, Bb, Db, E Abmaj7Ab, C, Eb, G Ab7Ab, C, Eb, Gb

11 more

This scale holds many more chords than these, with extensions, inversions and every voicing on the neck. Find them all in Fretly

No 12 C Jazz Dominant (add b3, natural 7)

Allan's symbol: C7ɣ-3 1 – 2 – b3 – 3 – 4 – 5 – 6 – b7 – 7

C Jazz Dominant (add b3, natural 7) scale, full-neck fretboard diagram, Fretly rendering

Allan’s symbol: C7ɣ-3

Notes: C - D - Eb - E - F - G - A - Bb - B

Intervals: 1 - 2 - b3 - 3 - 4 - 5 - 6 - b7 - 7

More info: Jazz Dominant add b3.

Modes

A mode is this same set of notes heard from a different starting note. Pick one to see it on the circle.

Explore the C Jazz Dominant (add b3, natural 7) scale in Fretly

Backing tracks

Jam this scale over these. They open on the track page.

C Jazz Dominant (add b3, natural 7) scale circle diagram, Fretly rendering

Triads

CC, E, G CmC, Eb, G Csus2C, D, G Csus4C, F, G DmD, F, A Dsus2D, E, A Dsus4D, G, A EbEb, G, Bb Eb+Eb, G, B Ebsus2Eb, F, Bb EmE, G, B EdimE, G, Bb Esus4E, A, B FF, A, C Fsus2F, G, C Fsus4F, Bb, C GG, B, D GmG, Bb, D

12 more

Seventh chords

Cmaj7C, E, G, B C7C, E, G, Bb Cm7C, Eb, G, Bb CmMaj7C, Eb, G, B C6C, E, G, A Cm6C, Eb, G, A C7sus4C, F, G, Bb Cmaj7sus4C, F, G, B Dm7D, F, A, C Dm6D, F, A, B D7sus4D, G, A, C Ebmaj7Eb, G, Bb, D Ebmaj7#5Eb, G, B, D Ebmaj7b5Eb, G, A, D Eb6Eb, G, Bb, C Em7E, G, B, D Em7b5E, G, Bb, D EmMaj7E, G, B, D#

27 more

This scale holds many more chords than these, with extensions, inversions and every voicing on the neck. Find them all in Fretly

No 13 C Jazz Major (add b3, b6)

Allan's symbol: Cɣ-3 1 – 2 – b3 – 3 – 4 – 5 – b6 – 6 – 7

C Jazz Major (add b3, b6) scale, full-neck fretboard diagram, Fretly rendering

Allan’s symbol: Cɣ-3

Notes: C - D - Eb - E - F - G - Ab - A - B

Intervals: 1 - 2 - b3 - 3 - 4 - 5 - b6 - 6 - 7

More info: Jazz Major add b3.

Modes

A mode is this same set of notes heard from a different starting note. Pick one to see it on the circle.

Explore the C Jazz Major (add b3, b6) scale in Fretly

Backing tracks

Jam this scale over these. They open on the track page.

C Jazz Major (add b3, b6) scale circle diagram, Fretly rendering

Triads

CC, E, G CmC, Eb, G C+C, E, G# Csus2C, D, G Csus4C, F, G DmD, F, A DdimD, F, Ab Dsus2D, E, A Dsus4D, G, A Eb+Eb, G, B EE, G#, B EmE, G, B E+E, G#, C Esus4E, A, B FF, A, C FmF, Ab, C FdimF, Ab, B Fsus2F, G, C

14 more

Seventh chords

Cmaj7C, E, G, B CmMaj7C, Eb, G, B Cmaj7#5C, E, G#, B C6C, E, G, A Cm6C, Eb, G, A Cmaj7sus4C, F, G, B Dm7D, F, A, C Dm7b5D, F, Ab, C Ddim7D, F, Ab, B Dm6D, F, A, B D7sus4D, G, A, C Ebmaj7#5Eb, G, B, D Ebmaj7b5Eb, G, A, D Emaj7E, G#, B, D# E7E, G#, B, D Em7E, G, B, D EmMaj7E, G, B, D# E7#5E, G#, C, D

33 more

This scale holds many more chords than these, with extensions, inversions and every voicing on the neck. Find them all in Fretly

No 14 C Mixolydian #9

Allan's symbol: C7-3 1 – b3 – 3 – 4 – 5 – 6 – b7

C Mixolydian #9 scale, full-neck fretboard diagram, Fretly rendering

Allan’s symbol: C7-3

Notes: C - Eb - E - F - G - A - Bb

Intervals: 1 - b3 - 3 - 4 - 5 - 6 - b7

More info: Mixolydian #9.

Modes

A mode is this same set of notes heard from a different starting note. Pick one to see it on the circle.

Explore the C Mixolydian #9 scale in Fretly

Backing tracks

Jam this scale over these. They open on the track page.

C Mixolydian #9 scale circle diagram, Fretly rendering

Triads

CC, E, G CmC, Eb, G Csus4C, F, G EbEb, G, Bb Ebsus2Eb, F, Bb EdimE, G, Bb FF, A, C Fsus2F, G, C Fsus4F, Bb, C AmA, C, E AdimA, C, Eb Bbsus2Bb, C, F Bbsus4Bb, Eb, F

Seventh chords

C7C, E, G, Bb Cm7C, Eb, G, Bb C6C, E, G, A Cm6C, Eb, G, A C7sus4C, F, G, Bb Eb6Eb, G, Bb, C Fmaj7F, A, C, E F7F, A, C, Eb F7sus4F, Bb, C, Eb Fmaj7sus4F, Bb, C, E Am7A, C, E, G Am7b5A, C, Eb, G Bbmaj7sus4Bb, Eb, F, A

This scale holds many more chords than these, with extensions, inversions and every voicing on the neck. Find them all in Fretly

No 15 F Whole Tone (Messiaen M1)

Allan's symbol: Co 1 – 2 – 3 – #4 – b6 – b7

F Whole Tone (Messiaen M1) scale, full-neck fretboard diagram, Fretly rendering

Allan’s symbol: Co

Notes: F - G - A - B - Db - Eb

Intervals: 1 - 2 - 3 - b5 - b6 - b7

Modes

A mode is this same set of notes heard from a different starting note. Pick one to see it on the circle.

This scale has very limited transposition symmetry: every rotation produces an identical pitch-class set to the scale itself, so it has no distinct modes to list.

Explore the F Whole Tone scale in Fretly

Backing tracks

Jam this scale over these. They open on the track page.

F Whole Tone (Messiaen M1) scale circle diagram, Fretly rendering

Triads

F+F, A, C# G+G, B, D# A+A, C#, F B+B, D#, G Db+Db, F, A Eb+Eb, G, B

Seventh chords

F7#5F, A, C#, Eb F7b5F, A, B, Eb G7#5G, B, D#, F G7b5G, B, Db, F A7#5A, C#, F, G A7b5A, C#, Eb, G B7#5B, D#, G, A B7b5B, D#, F, A Db7#5Db, F, A, B Db7b5Db, F, G, B Eb7#5Eb, G, B, Db Eb7b5Eb, G, A, Db

This scale holds many more chords than these, with extensions, inversions and every voicing on the neck. Find them all in Fretly

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