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17
votes
4answers
1k views

Why do certain rooms/vessels respond to specific frequencies?

Since I was a kid I was always wondering why is it that when I sing in a small room (i.e. bathroom!), whenever I touch a certain frequency, the whole room vibrates sympathetically. What are the ...
12
votes
1answer
549 views

What gives the sitar its characteristic sound?

The sitar has an instantly recognisable sound: I've always assumed that the characteristic 'lush background drone' that I associate with the sitar came from its ...