Duke Qing of Qi Duke Qing of Qi Duke Qing of Qi (; died 582 BC) was from 598 to 582 BC ruler of the State of Qi, a major power during the Spring and Autumn period of ancient China. His personal name was Lü Wuye (呂無野), ancestral name Jiang (姜), and Duke Qing was his posthumous title. Duke Qing was the son of Duke Hui of Qi and grandson of Duke Huan, the greatest leader of the State of Qi. He succeeded his father, who died in 599 BC after a ten-year reign. Duke Hui had favoured the official Cui Zhu (崔杼). 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