The meaning of music as physical wave

The sentiment carried out by music is physical wave, mixed with human appreciation to its emotional components. It is sequence of waves so some compilation is clever to make invocation of listeners, it is sometimes outrageous, and modern propaganda could be, by make orders tracks are placed. However, in most of the time music is innocent way to convey daily emotion, sometimes sublime some other times casual, so we all entertain listening music. I guess this is some impact psychological meaning of music?