The power of music to influence people for good and for evil has been proven beyond the shadow of a doubt down through history. Like fire, it cuts both ways, depending on the situation. In the fireplace it warms and benefits and heals. Out of the fireplace it can ruin and destroy. Think of the military marches that of themselves are good and harmless, but in the hands of a Hitler can be used to deaden the conscience and encourage the baser side of our natures to do great evil.

Watch this video on how music is being used in a rest home to bring joy and life back to those who are otherwise almost catatonic:

Read this article about Music and Emotions: http://ezinearticles.com/?id=40634&Music-and-Emotions%3A-Can-Music-Really-Make-You-a-Happier-Person%3F=