Yeah somewhat some pieces are nostalgic too!!
Answer: i really hope this helps you <3
Explanation: When some objects in an painting/picture/portrate are hidden by others, it gives the sight of overlapping objects and creates an illusion of space and a three-dimension feeling In landscape painting, layering the planes of the high ground, middle ground, and background into the illusion of space.
He had the sensation of having slept for a long time when it was only twenty-thirty (8:30).
It's usually D, but it could be two other instruments (instead of violin and cello)
It gives the content it's own unique structure