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Hello I'm sorry but can you give the complete <em><u>QUESTION</u></em><em><u> </u></em>please you idiot
The answer to your question is the first one.
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Gregorian chant. Gregorian chant, monophonic, or unison, liturgical music of the Roman Catholic Church, used to accompany the text of the mass and the canonical hours, or divine office. Gregorian chant is named after St. Gregory I, during whose papacy (590–604) it was collected and codified. for some ot may be easy
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