Había pintado muchas grandes pinturas.
Answer:
Yes, the black lines that are tilted on the staff do tell you how many times you Strum.
Answer:
It looks like it could have been done with different types of mediums. You can tell that the artist tried to make it have more dimension by adding in shadows and highlights. I think the color gives it a good balance though. It looks like it is a piece that as the observer you need to come up with yourself.
Explanation:idk rly
I am not sure but i think it is mobilization