Many of the so-called Meditation and Relaxation recordings actually produced Adverse EEG patterns, just as bad as Hard Rock and Heavy Metal. The surprising thing was many selections of Celtic, Native American as well as various music containing loud drums or flute were extremely soothing. The normal voltage spiking pattern changed to a smooth sinusoidal waveform and the usual voltage differential equalized. The entire human energetic system is extremely influenced by sounds, the physical body and chakra centers respond specifically to certain tones and frequencies. Special consideration should be given to the positive effects of one actually playing or creating music themselves.
Thoughts are perhaps the most important aspect of how Stress Is Created as well as being Reduced.
Simply put, Your Response to any given situation or thought you have about anything affects your energetic field and your physiology. Any time something causes an adrenal response your system is sending you a warning message. Part of the benefits derived from divesting ones' self from the normal negative emotions is the physical body acquires a more natural relaxed and rested state. In this state of serenity the body is more able to repair itself and maintain a higher degree of functional ability.