STRINGSCALES

G messiaen's mode #7 Scale — Guitar Fretboard Visualization

Low E string: E, F#, G, Ab, A, Bb, C, C#, D, Eb, E at frets 0, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12

A string: A, Bb, C, C#, D, Eb, E, F#, G, Ab, A at frets 0, 1, 3, 4, 5, 6, 7, 9, 10, 11, 12

D string: D, Eb, E, F#, G, Ab, A, Bb, C, C#, D at frets 0, 1, 2, 4, 5, 6, 7, 8, 10, 11, 12

G string: G, Ab, A, Bb, C, C#, D, Eb, E, F#, G at frets 0, 1, 2, 3, 5, 6, 7, 8, 9, 11, 12

B string: C, C#, D, Eb, E, F#, G, Ab, A, Bb at frets 1, 2, 3, 4, 5, 7, 8, 9, 10, 11

High E string: E, F#, G, Ab, A, Bb, C, C#, D, Eb, E at frets 0, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12

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G messiaen's mode #7

Messiaen's mode 7 is the largest mode of limited transposition: ten notes, leaving out just one whole-step pair per tritone half. It is nearly chromatic, with symmetry at the tritone and only six distinct transpositions. In practice it works as organized chromaticism: dense clusters and runs that still obey an internal pattern rather than free atonality.

it consists of these notes and degrees:

G

I

A♭

bII

A

II

B♭

bIII

C

IV

C♯

#IV

D

V

E♭

bVI

E

VI

F♯

VII

messiaen's mode #7 in all 12 keys, with chords and related scales

tip
  • Ten notes from G: think of it as the chromatic scale with one whole-step gap per tritone half; the gaps define it, so phrase around them.
  • Its symmetry at the tritone (Db) gives structure to near-chromatic runs: mirror each gesture six frets away.
  • Use it as organized chromaticism for climaxes: scale-wise motion reads as intent where free chromatics read as noise.
  • Extract subsets: any five adjacent tones give a dense cluster scale; contrast two subsets from opposite tritone halves.

How to play G messiaen's mode #7 on guitar

Open G is the root, and low E, A, D, and high E ring inside the key too, so a five-string drone bed is available before you fret anything. Both E strings add the major sixth, A the major second, D the perfect fifth. E-shape barre lands at fret 3, so the classic grip stays low. One fingering, two keys: the same box serves Db six semitones higher, which means practice time here pays double. First position ends at fret 7.

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