What creates the tempo in a song?

Suppose that you are in a room with 3 doors and a crack in the ceiling for light. that is all. the doors each have a sign on them that says what there is behind them. door #1. a pool of corrosive acid. door #2. a crocodile that hasn't eaten in 8 months. door #3. a solar "oven". a giant lens that focuses all the sunlight at the entrance of the door. you must choose a door, which door do you choose?

Why do you think crime scene photographers take pictures of rooms where the crime did not occur?

What painting has these characteristics? .a composition with simple shapes .shows unity through shape and color.has balance .shows variety in poses .has movement through shape and color