Cranium Command the walls hung propaganda posters encouraging guests to enlist in the "Cranium Command" (similar signage could be seen advertising the show around the Wonders of Life pavilion). Also there was signage including brain teasers and humorous gags and puns, setting the stage for both the concept and tone. Guests were then led into a narrow, tall room with brightly colored carpeted walls. Facing the guests was a plain movie screen, and closed automatic doors to their left. The movie screen would soon illuminate showing an animated segment featuring the boisterous and loud General Knowledge (voiced by Corey Burton) briefing his
(What Is) Love? she was dissatisfied with the circumstances, but was in "no way dissing Lopez." A mastered version of "What Is Love?" was included on the soundtrack to "The Back-up Plan" (2010), a film in which Lopez stars. "What Is Love?" was re-titled as "(What Is) Love?" and appeared on "Love?" (2011). "(What Is) Love?" was due to be released as a promotional single from "Love?" on April 26, 2011, but was "unlocked" and released four days earlier, on April 22, 2011 by through a campaign on Lopez's Facebook page. It was released in many European countries on April 25. The song