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Sunday 8 August 2010

Can you spot the science in this rock anthem?


Queen - 'We will rock you'

'On The 'Stomp-Stomp-Clap' Section Of 'We Will Rock You'

"I had this idea that, if we did it enough times and we didn't use any reverb or anything, that I could build a sound that would work. We were very lucky — we were working in an old, disused church in North London, and it already had a nice sound. And there were some old boards lying around, but they just seemed ideal to stamp on. So we piled them up and started stamping. And they sounded great anyway. But being a physicist, I said, 'Suppose there were 1,000 people doing this; what would be happening?' And I thought, 'Well, you would be hearing them stamping. You would also be hearing a little bit of an effect, which is due to the distance that they are from you.' So I put lots of individual repeats on them. Not an echo but a single repeat at various distances. And the distances were all prime numbers. Now, much later on, people designed a machine to do this. But that's what we did. When we recorded each track, we put a delay of a certain length on it. And none of the delays were harmonically related. So there's no echo on it whatsoever, but the clapped sound — they spread around the stereo, but they also kind of spread from a distance from you — so you just feel like you're in the middle of a large number of people stamping and clapping."'



Interview extract from NPR.

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