Which of the following sentences is punctuated correctly?
A.
Otis Redding, who was a soul singer in the 1960s, is considered the "King of Soul" in the music world.
B.
Otis Redding who was a soul singer in the 1960s is considered, the "King of Soul," in the music world.
C.
Otis Redding, who was a soul singer, in the 1960s (is considered the "King of Soul") in the music world.
D.
Otis Redding who was a soul, singer in the 1960s—is considered the "King of Soul" in the music world.