Abstract:Expressiveness of the church modes is reflected in their character and association of certain states with a specific mode or single Gregorian composition which possesses unique expressiveness. An important characteristic of Gregorian chant on the tonality level is diatonic singing based on scales without chromatics, using only one semitone in the tetrachord whose musical structure reflects the expressiveness of Gregorian chant. Such expressiveness achieves character specificities which each mode respectively r… Show more
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