Bacall to Arms film depicts a noisy movie audience member which disrupts the screening. In this case the noisy audience is represented by the wolf-whistling and howling of a wolf in the audience. The film uses caricatures of Humphrey Bogart and Lauren Bacall, who attempt to act out the scene from "To Have and Have Not" (1944) in which they first kiss, and her character's advice on how to whistle. Bogart eventually shoots the disruptive wolf from the movie screen, though the film within a film never properly ends. The short is one of two memorable parodies of Bogart from the Warner Bros.
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