<span>How you move - quickly, slowly, gently, strongly</span>
Answer:
C. is your answer
Explanation:
its the only letter pointing at the straight line behind the box things.
The horizon line art theory is a horizontal line that runs across the paper or canvas to represent the viewer's eye level, or delineate where the sky meets the ground.
Hope it helps!
....... Pretty Much all of them, but being a virtuoso pianist himself, your best bet would be Ludwig van Beethoven