For people who have a sedentary job or lifestyle it could work wonders. For the person who is already overworked and physically drained it simply does not make any sense whatsoever to add any additional workload. Activities that produce only Joy or Enjoyment should be considered, if anything makes you nervous or anxious Forget It. Many things we do for Pleasure create an enormous amount of stress, many of these include being bombarded by Sound with loud volume and discordant tones. If you doubt this, try spending an hour in a video game arcade or put music you find offensive on your stereo and crank it up.
Music can be one of the most soothing or nerve wracking experiences available.
Choosing what will work for any individual is difficult, most will choose something they 'like' instead of what might be beneficial. In doing extensive research on what any given piece of music produces in the physiological response system many unexpected things were found. 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.