Pumpernickel the same basic story, Napoleon declared that the bread was no good for him, but was only good () for his horse: "". However, the name "Nickel" is not confirmed for any of Napoleon's many horses. Additional folk etymology grew from a "witty interpretation", proposed by seventeenth-century satirist Johann Balthasar Schupp, that the bread was only "good for "Nicol"", a nickname for a weak or puny horse. Pumpernickel has been long associated with the Westphalia region of Germany, first referred to in print in 1450. Although it is not known whether this and other early references refer to precisely the
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