Black and white are also used to create shadows
The combination is square circle star triangle if you look closely those shapes are on their hats
Answer:
The new music is different from the opening music because the new music begins on higher pitches than the opening music. This is attributed to increased frequency sound in new music.
A book cafe is a relaxing place where you go to read books and eat/drink things you would get at a regular cafe. People also read books there.