Fear may very well be a caveman fear of the predator of the giant lizard chasing them - maybe that's what Steven Spielberg connects with so well in Lost World.
If there's any object in human experience that's a precedent for what a computer should be like it's a musical instrument: a device where you can explore a huge range of possibilities through an interface that connects your mind and your body allowing you to be emotionally authentic and expressive.
The true beauty of music is that it connects people. It carries a message and we the musicians are the messengers.