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The answer would be C. Contour lines.
Answer:
Musicologists and Ethnomusicologists
Explanation:
Someone who studies how people make and listen to music in various cultures is a Musicologists or Ethnomusicologists.
In music, a minor seventh chord is any non-dominant seventh chord where the third note is a minor third above the root.
<span>In arts, Theme is a broad idea or a message conveyed by a work, such as a painting, photograph or sculpture.</span>
