If you watch any good player, they're using different parts of their body and working with instruments that respond to those movements. They're moving in many dimensions at once.
The basis of computer work is predicated on the idea that only the brain makes decisions and only the index finger does the work.
I believe in singing to such an extent that, if I were asked to redesign the British educational system, I would start by insisting that group singing becomes a central part of the daily routine. I believe it builds character and, more than anything else, encourages a taste for cooperation with others.
There are certain sounds that I've found work well in nearly any context. Their function is not so much musical as spatial: they define the edges of the territory of the music.
John J. Mack
B. Carroll Reece