Sky Captain and the World of Tomorrow months before Conran made the movie with his actors, he shot it entirely with stand-ins in Los Angeles and then created the whole movie in animatics so that the actors had an idea of what the film would look like and where to move on the soundstage. To prepare for the film, Conran had his cast watch old movies, such as Lauren Bacall in "To Have and Have Not" (1944) for Paltrow's performance and "The Thin Man" (1934) for the relationship between Nick and Nora that was to be echoed in the one between Joe and Polly. Avnet constantly pushed
What Love Is Made Of three minutes and fifty-five seconds (3:55), "What Love Is Made Of" is an uptempo dance and house track that has been described as "rave-y" and "trance-y". Its instrumentation contains the sounds of pianos and synthesizers. Jordan Sargent of "Spin" observed that it continued the musical style first introduced in Katy's 2012 extended play (EP), "Danger EP", which was "straight-forward house". Idolator's Sam Lansky compared her performance in the song to recording artist Siobhán Donaghy. Critical response to "What Love Is Made Of" was generally positive: most critics noted Katy's vocal performance and commended its sound. Siân Rowe from "NME" was