Ev'ry Valley Shall Be Exalted" in Messiah compare this to http://youtu. be/4pjXfChGWds And list three ways in which it differs from that aria

Handel continues with this uplifting mood and tone in the first aria of Messiah, “Ev'ry Valley Shall Be Exalted.” The words for this aria also come from Isaiah. They relate to the people the coming of the Lord. This piece announces that no mountain or valley shall stand in the way of the coming of the Messiah.

Explanation:

An oratorio uses a chorus and soloists, as well as instrumentalists. Handel composed most of his operas and oratorios in: ... How does Messiah differ from other oratorios? Messiah does not have characters acting out a story.

the above mentioned statements talks about the creativity of an artist and to what extend they can utilize and experiment on the objects provided.   differing size and subjects are given so that an image of wisdom is created. displaying a transition from light to dark in something by darkening sections in order to create a shadow. and lastly, putting bits and pieces together to formulate a new image.