Each image was made through a process whereby Hokusai's drawing on paper was glued to a woodblock to guide the carving. So I think woodcut
I’m guessing it wants you to fill in two major key signatures like D major and C major also with two minor key signatures like A minor and B minor. I picked those key signatures because A minor is the same as C major but it starts on A and D major and B minor is the same but it starts on B
Brave as a lion ............
