They could have used things like trees, people, animals, mountains, etc as a reference/starting point for their work.
Let me add a quote to your collection
What happens now is considered the past by tomorrow, look forward not backward or what happened yesterday and the days before will devour you.
This sculpture is entitled, Torso. It was made of red sandstone and stands 3 3/4 inches tall. The man has a fleshy, soft appearance, rather than a perfect sculpted body, like was common in other cultures. This fleshy appearance was typical of the art of India.
Probably music or some sort of fashion related art
Answer: Maybe if you mixed these 2?
Explanation: