 Following the announcement that Lewis would be an ambassador, she performed a special Live Lounge at the Hackney Empire, with a reggae version of "Better in Time", which incorporated Rihanna's "Man Down", and a cover of Labrinth's "Let the Sun Shine".At the Hackney Weekend, Lewis performed further cover versions and debuted the song "Come Alive" from "Glassheart".In August 2012, Lewis announced that the lead single from "Glassheart" would be "Trouble", released on 7 October 2012.