Daniel Barenboim: Sound has several very interesting aspects, I think, worth observing. One is duration—that there is a connection between sound and time. But before that there is a connection between ...

Western ears consider a pitch at double the frequency of a lower pitch to be the same note, an octave higher. The Tsimane’, an indigenous people in the Bolivian Amazon basin, do not. “If you only test ...

When two notes are an octave apart, one has double the frequency of the other yet we perceive them as being the same note – a “C” for example. Why is this? Readers give their take This question has a ...