Qi County, Kaifeng Qi County, Kaifeng Qi County or Qixian () is a county of Kaifeng, Henan, People's Republic of China, with an area of 1243 square km and a population of 1.05 million. From Shang to Western Zhou, Qi County was the place of the State of Qi. In Qin Dynasty, Qi was named as Yongqiu (Chinese: 雍丘). It was the site of the Battle of Yongqiu in 756. In Song Dynasty, Yongqiu was renamed to Qi. Cai Wenji, a Han Dynasty poet and composer,was born shortly before 178 in Yu Prefecture (), Chenliu Commandery (), in what is now Qi County,
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