The over-all point is that new technology will not necessarily replace old technology but it will date it. By definition. Eventually it will replace it. But it's like people who had black-and-white TVs when color came out. They eventually decided whether or not the new technology was worth the investment.
My workouts include aerobic exercise for a healthy cardiovascular system strength training to maintain muscle tone and bone density core strength exercise for a stable mid-section and stretching to maintain mobility.
Weight-bearing exercise builds bone density builds your muscular strength so that you can hold your body up where those bones have a tendency to get weak.
Certain kinds of speed flow intensity density of attacks density of interaction... Music that concentrates on those qualities is I think easier achieved by free improvisation between people sharing a common attitude a common language.