Depends on which set of two black keys you are referring to
Answer: Johann Sebastian Bach
Explanation:
<span>C.
When he moved to Paris, at first he was very poor, but then his artworks began to sell.
D.
He was an innovator and developer of many styles of art.
E.
His artistic vision changed throughout his life.
F.
He was one of the most influential artists of the eighteenth century.</span>
I think that the answer is a