In our case, finding a Lucy is unique. No one will ever find another Lucy. You can't order one from a biological supply house. It's a unique discovery, a unique specimen.
I always work out of uncertainty but when a painting's finished it becomes a fixed idea, apparently a final statement. In time though, uncertainty returns... your thought process goes on.
But maybe music was not intended to satisfy the curious definiteness of man. Maybe it is better to hope that music may always be transcendental language in the most extravagant sense.