Most people hate rock music.__1__ I am not by nature an unreasonable or biased(有偏见的)person,two personal __2__ of rock music during the past two weeks have __3__ me that it has become a __4__ for those of us with enough common sense to see its potential(潜在的) dangers to __5__.My first experience was the __6__ that if I spoke to my teenage son when he was listening to rock music through headphones,he replied in an __7__ loud voice,as if there was something wrong with his __8__.The second occurred when I went with him to a __9__ and saw for myself what these affairs are like. __10__ I went to that concert,I had always taken the “live—and—let—live” __11__ that rock music was simply not my taste but that other people had every __12__ to enjoy it if it was theirs. But what I saw and heard made me believe that we are __13__ something very powerful to take possession of the younger generation. In the first place,I noticed a collective madness,brought about by the __14__ level. But secondly,and far more __15__,I observed that after a time everyone was __16__ by the noise. By the end I was in the middle of a faceless __17__ who clapped and stamped and jumped around like __18__.I seriously believe that in time to come our __19__ younger generation would thank us if we managed to put a __20__ to it now.