Duke Xi of Qi Duke Xi of Qi Duke Xi of Qi (; died 698 BC) was from 730 to 698 BC the thirteenth recorded ruler of the State of Qi during the Spring and Autumn period of ancient China. His personal name was Lü Lufu (呂祿甫), ancestral name Jiang (姜), and Duke Xi was his posthumous title. Duke Xi succeeded his father Duke Zhuang I of Qi, who died in 731 BC after a reign of 64 years, as ruler of Qi. In 706 BC, Qi was attacked by the Northern Rong tribes (also called Mountain Rong). Duke Zhuang of the State of
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