phrygian mode

The seven modes of the major scale | Greek modes | Ecclesiastical modes | Jazz guitar lesson with diagrams

Blues scalesEcclesiastical modes, also named "Greek modes"or "church modes" or "Gregorian modes" formed in the Middle Ages a set of scales whose use has weakened because of the appearance of the major / minor tonal system. Several centuries later these modes have reappeared. They are very used in jazz improvisation as scale of chords and modal playing. 

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