I believe that works that touch the Divine or teach us or are still with us centuries after their creation are the ones that did not come out of a place of power or control or techniques, but came at the moment when the heart let go and God answered the question.
There is the same difference in a person before and after he or she is in love as there is in an unlighted lamp and one that is burning. The lamp was there and it was a good lamp, but now it is shedding light too and that is its real function.