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 ...

This is the moment I've been looking forward to, and dreading. Three Sounds. A piano trio I've heard of, but never heard. And what I'd heard about them wasn't entirely nice. I was sure I would hate ...