ScienceBring the noise!To play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceHedgecoe, Guy08/27/2012August 27, 2012Being "loud" is relative. But scientists in Spain say they have pinpointed how the sound of pop music has changed over the past fifty years. And by that they mean it's less dynamic and a lot louder.https://p.dw.com/p/15xaqAdvertisement Report: Guy Hedgecoe, Madrid