Answer:
<em>ORGANUM</em> is a term applied to medieval music that consists of Gregorian chant and one or more additional melodic lines.
Explanation:
Organum is a singing technique that finds its roots in the Middle Ages. It was a polyphonic chant that consisted of only two voices overlapped.
The first records we have of the Organum's structure is from a document called "<em>Musica Enchiriadis</em>", dated c. 900, from an anonymous writer.
B. 1 I know because I play the flute
B
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