ocr: - - - - : MUS - - a - a 4 FHEOR - Nature OfSound Play The world is filled with sounds of all kinds. 1of16 Some sounds we have control over, some we do not. Some sounds are highly organized, some are not. 6 When sounds are unusual, or catch you off-guard, Summary they are called noise. A door slamming shut would be an example of that, it issurprising. There are other sounds or noises that signal meanings. A ringing phone, or a doorbell, generally evokes a particular response. Click on play to try it out. Return