QI show to show. "QI" has a philosophy that "everything is interesting if looked at in the right way"; many factual errors in the show have been corrected in later episodes or on the show's blog. For its first five series shown between 2003 and 2007, which corresponded to the first five letters of the alphabet, episodes premiered on BBC Four before receiving their first analogue airing on BBC Two a week later. From 2008 and 2011, the show was moved to BBC One, with an extended-length edition of each episode often broadcast on BBC Two a day or two after
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