Because enjoyment of any music requires, at a minimum, subconscious comprehension of its core pattern and timing and brainwave generation in complement to the s

Because enjoyment of any music requires, at a minimum, subconscious comprehension of its core pattern and timing and brainwave generation in complement to the same. Older people have brain patterns which are trained, by tendency, to comprehend and and complement patterns and timing which are quite different from currently popular ones. The old brain, when induced to produce complimentary brainwaves to new music, usually finds this process very uncomfortable while younger brains remain more malleable in this regard.