6.
A) My favorite musician, who is also my cousin, plays a mean fuzz bass.
B) My favorite musician who is also my cousin plays a mean fuzz bass.
C) My favorite musician who is also my cousin, plays a mean fuzz bass.
D) My favorite musician, who is also my cousin plays a mean fuzz bass.
7.
A)
It may not be the correct nart but I het that it work