Are you sure the K has to be the word king because if it is the same quiz I am doing the rules state that the underlined letter i.e in this case the K is reference to a title eg. King, Queen, Lord Prince etc.
I was thinking maybe the song was
Knights of Cydonia by MuseCould anyone help with
l b a L t by f s
m s L by g h
K o w t by g w