Lydian and Phrygian Scales, Major 7th b5 chords
The lydian mode is the 4th mode in the major sale family and contain the same notes as the major scale a perfect 4th below.
Lydian mode may also be thought of as a major scale with the 4th note raised a half step.
Like the major scale, the lydian mode maybe used in improvising over major triads, major 7th chords and major 9th chords.
Because of its raised 4th degree, the lydian mode may also be used over the following chods:
–major 7th b5,
–major 7th #11,
–and major 13#11 (which can also be written as a slash chord: G/F M7)
FM7b5 — F, A, C or Bb, E
FM7#11 — F A C E G B
FM13#11 (G/FM7) — F A C E G B D
Major 7 b5 consists of:
— a root, M3, dim5,M7
Maj 7 #11
— root, M3, P5, M7, M9, Aug 11
— a major 13 may be added to this chord resulting in the lydian scale stacked in 3rds.
—————
In major key, M7 functions as either I (tonic) or IV (subdominant) chords.
Lydian scale is genearally the best scale choice when the major chord is functioning as a IV chord or is altered, while the major scale works best over the I chord in a ii-V-I progression.
Major 7 b5 chord — may occurs as bII chord in a progression in which the i chord is colored by the phrygian scale and the bII chord by the lydian scale.
— Em – FM7b5
Phrygian scale
— consists of the ascending pattern:
HWWWHWW
E F G A B C D E (in C scale)
The phrygian scale is the 3rd mode in the major scale family and contains the same notes as the major scale a major 3rd below.
Phrygian scale may also be thought of as an aeolian (natural minor) scale with the 2nd note lowered one half step.
Although phrygian scale is a type of minor scale, it is occasionally used independently from a specific chord with the word ‘phrygian’ appearing in place of a chord symbol.
It can also be expressed harmonically as a minor 7 sus4 b9 chord, a slash chord consisting of a major 7b5 chord a half-step above the root, or as a progression consisting of a minor chord moving up a half-step to a major 7b5 chord.
E phrygian — Em7sus4 (b9) — Fmaj7(b5)/E — Em7 — Fmaj7b5
Spanish Phrygian
It is a variation of the phrygian scale
–replaces the minor 3rd with a major 3rd
–it is hte 5th mode in the harmonic minor scale family
E Spanish Phyrgian:
E F G# A B C D E (in C sale)
–can be used to color all the chords in a I – bII – bIII progression.
E – F – G – F – E
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