The answer is B) William Billings.
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I’m bored it’s late I’m going to bed
The Boogie-woogie style focused on solo piano playing, as if the sound of an entire big band was produced from the keys of the piano. It often followed the twelve-bar blues structure.
This style of blues was very relevant in the 30s and 40s mainly by the American black community. Its most striking feature is the syncopated use of the left hand on the piano.
It can be understood as a mixture of gospel, country and blues styles, having emerged without classical influences, but in nightclubs where the style was popularized.
Therefore, this style of blues differed from the original blues for having a faster and more danceable rhythm, being a success in the United States until the year 1942.
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I am not sure if this is what you're asking for, but I'll give it a shot!
Graffiti is considered a subject matter, because it vandalized private property, and causes employees or other people to clean up after someone else's mess.