Begins with rock concert footage interspersed with interviews with well-known current rock and roll stars including Moby, Darren Hayes, and Lars Ulrich of Metallica talking about the importance and the beauty of sound. As we listen, the music becomes muffled and distorted-and we begin hearing comments from other famous rockers like Ozzie Osbourne and Debbie Harry who comment that too much sound has actually damaged their hearing. Gives a detailed look at the mechanics of sound as well as an easy-to-follow description of how the human ear works. Offers the tools necessary to understand why high-decibel sounds can create such unintended havoc on the body. Includes useful tips on hearing protection, information on the short-term and long-term effects of noise exposure.