However, the fact that caught my attention was their pulse. It would often be irregular. I might count ten beats, then there would be a silence for the next two or three seconds. I would look up to see if the person was still alive. Others would have such as strong throbbing pulse, that I would double check their blood pressure to see if they were about to have a heart attack.
Rock music has the irregular beats and the rap has the strong throbbing beats.
There has been various studies where rock music was played to mice, and the mice developed abnormal brain structures. There has also been reported in other studies that rock music caused plants to die and other more melodious music caused the plants to flourish. Let's look a bit more closely at the argument by comparing truths. Art in a sense is amoral, but certain lines and curves can be put together to form pornography. Language may be in a sense amoral, but we can put certain letters together to form unclean words which should not be spoken or repeated.