White Noise

        The act of repeating elements tend to pull the listener into a trance, 

Consider the music that you listen to on a regular basis, a melody may draw you in, or a rhythm that ultimately makes the listener more oblieged to listen to the work in question.

Through thoughtful repetition, it's easy to enjoy if the track is catchy enough, most modern music relies on this idea of repetition to overall get across what the composer is trying to say.