The additional features which would best enhance the reader’s understanding of this excerpt are C. Audio examples of music by the predefined artists.
This refers to the use of evidence to validate a claim or to support a given text for better understanding.
Hence, we can see that from the complete text, there is the use of narration to show the meaning of music and the extra feature that can be used here are audio examples of music.
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https://brainly.com/question/11065804
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