Florence Welch has always had some house-diva fervor in her wail, and it's fun to hear what happens when dance-pop producer Calvin Harris, fresh off of conquering the world with his Rihanna collab "We Found Love," reworks her Ceremonials track "Spectrum" into a superclub destroyer. Listen below. [videoembed size="full_width" alignment="center"][/videoembed] Ceremonials is out now on Island/Universal Republic. Buy it at ...