Coldplay - lost+ ft jay-z live, 2008

"Lost+" features a rap section by Jay-Z, with whom the band recorded the reworked track in New York. This version was premiered on BBC Radio 1 on 16 October 2008. "Lost+" was released as the lead track from "Lost!"'s digital EP release, and was included on the Prospekt's March EP. Jay-Z's rap was based on a freestyle he performed on Funkmaster Flex's show on the Hot 97 radio station. This took place on 31 October 2008, while Jay-Z was promoting his Kingdom Come album."