I don't recall why they began singing in the movie but it looks to me like Sister Mary Clarence keeps encouraging Wesley to keep trying because she knew that he could have given more into the song. She wanted the kids to dig deeper into their soul and get the audience to join in. My reaction in the beginning of the clip was that it was kind of boring but after they started to get hyped up into their big crescendo, I started to get chills.
One element of art is line. this one is very important because it is the basis of most art. lines can be formed into shapes and forms.
I'm pretty sure its Emotion and Creativity
