http://www.parade.com/articles/editions/2006/edition_03-05-2006/Ask_Marilyn#comments "Why do entertainers play their music at such high volume in concerts? Ive been blown out of buildings by the noise. Charles Umpstead, Watsontown, Pa. Theyre trying to generate excitement, and a high level of decibels accomplishes that goal. Subjected to such intense sound, listeners bodies produce adrenaline, noradrenaline and more. These substances make the heart pound and give an impression of increased muscle strength. Not surprisingly, some people become psychologically addicted to this hormone rush, which is implicated in thrill-seeking behavior. What a way to getand keepfans." Which is also probably why musicians trash their rooms. I think I need a Meyer's rig.