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This statement underscores a key distinction between Phrygian and Locrian modes—the presence of a natural, perfect fifth interval, which contributes to its distinctive sound.
Key Characteristics of the Phrygian Mode
The defining feature of the Phrygian mode is the lowered second scale degree—a flattened second interval from the root that imparts a distinctive, dark flavor. Alongside the natural fifth, the flat second is crucial in shaping the mode's mood and sound:
"That flat second's a very important note, and the natural fifth gives it a brighter aspect compared to other modes."
Rick demonstrates this by playing phrases that emphasize these intervals, resulting in a rich, modal sound that blends minor tonality with exotic, mysterious qualities.