Duke Xuan of Qi Duke Xuan of Qi Duke Xuan of Qi (; died 405 BC) was from 455 to 405 BC the titular ruler of the State of Qi during the transition from the Spring and Autumn to the Warring States period of ancient China. His personal name was Lü Ji (呂積), ancestral name Jiang (姜), and Duke Xuan was his posthumous title. Duke Xuan succeeded his father, Duke Ping of Qi, who died in 456 BC after 25 years of reign as titular ruler of Qi. Since Tian Heng killed Duke Xuan's uncle Duke Jian in 481 BC, Tian had effectively ruled
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