Whether two sounds played simultaneously sound pleasant or unpleasant is largely due to:
A) whether the tones come from the same tone height →
B) whether the frequencies of the two tones form a simple ratio
C) whether the listener has absolute pitch
D) whether the sounds come from the same instrument

Question

Quizplus · Accepted Answer

The answer is B because the pleasantness or unpleasantness of two sounds played simultaneously is largely due to whether the frequencies of the two tones form a simple ratio, such as a perfect fifth or a major third. This is called consonance and dissonance, respectively. Same tone height, absolute pitch, or the same instrument do not play as significant of a role in determining whether two sounds played simultaneously are pleasant or unpleasant.

Whether Two Sounds Played Simultaneously Sound Pleasant or Unpleasant Is