Slendro is a five-tone scale that very roughly approaches equal-size intervals. The intervals vary within a given scale and across orchestras, but the underlying tuning concept can be considered as a rough five-tone equal temperament (5ET). Pelog is a seven-tone scale, whose underlying tuning concept is less obvious.
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Answer:
b.
Explanation:
Slendro is a five-tone scale that very roughly approaches equal-size intervals. The intervals vary within a given scale and across orchestras, but the underlying tuning concept can be considered as a rough five-tone equal temperament (5ET). Pelog is a seven-tone scale, whose underlying tuning concept is less obvious.