7
Answer: ASet 5: Command of Evidence
Explanation
PASSAGE
Jazz originated in New Orleans in the late 19th and early 20th centuries, blending African rhythms, blues, and European harmonies. Key to jazz is improvisation—musicians spontaneously create melodies within a given harmonic structure. This makes each performance unique.
What makes jazz performances 'unique,' according to the text?
A. Every piece is fully written out in advance.✓ Correct
B. Improvisation means melodies are created spontaneously.
C. Jazz has no harmonic structure.
D. Jazz musicians never perform the same song twice.
Detailed Explanation
The text says 'musicians spontaneously create melodies' through improvisation, making 'each performance unique. '
Key Evidence:
• "improvisation"
• "spontaneously create melodies"
• "each performance unique"
Why others are wrong: A (Improvisation is the opposite of pre-written.), C (They improvise 'within a given harmonic structure.'), D (They play songs, but improvise within them.).