It means not to try to shoot elaborate scenes, that sometimes the simplest things make the best photographs.
The key is in D major which means your do will be D (first space under the staff) I will give you the first measure:
Do Do Re Mi
Doraemon theme song. (lol)
It tells what the show is about.
It describes the main character.
Answer:
This photograph uses line through the lighter textures on the road that lead to the viewer and create perspective in the image. Value is seen through the stark variation from dark, to midtones, to lighter tones.
Explanation:
Value is the range of a color (or lack of color;like black) from dark to light or light to dark. Line in art can be anything from a literal line in a drawing to how a set of stones or street lights are lined up in an image to create the appearance of a line of subjects/objects. Both are great art tools and I encourage looking into them more if you are interested!