Start at middle A, with a frequency of 347 cps. Using the whole-number ratios in Table, find the frequency if you raise A by a fifth to E. What is the frequency if you rise E by a fifth to B? What is the frequency if you lower B by a sixth to D? What is the frequency if you lower D by a fourth to A? Having returned to the same note, have you also returned to same frequency? Explain.

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Chapter 11.A, Problem 18E

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Start at middle A, with a frequency of 347 cps. Using the whole-number ratios in Table, find the frequency if you raise A by a fifth to E. What is the frequency if you rise E by a fifth to B? What is the frequency if you lower B by a sixth to D? What is the frequency if you lower D by a fourth to A? Having returned to the same note, have you also returned to same frequency? Explain.

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