Music

Some people enjoy creating things in their mind and leaving them there, while others prefer to realize their creation in their current reality. These people - often reffered to as artists - operate on many different levels. For example the writer or the painter prefers to make something permanent, something that assures him that he didn't wake up yesterday. On the other hand, musicians are left with only memories of what they created. The idea is created in the brain, has a moment in the real world and returns to being an idea in the brain. Another tiny program amongst trillions of other programs randomnly triggered by an infinite amount of improbable events.

This is why i think computers still have a long way to go before they rival humans.