Deluxe edition includes four bonus tracks. 2014 release, the follow-up to the British singer/songwriter's breakthrough debut album +. X finds Sheeran collaborating with a stellar list of producers, including multiple Grammy-winners Rick Rubin and Jeff Bhasker, multiple Grammy-nominee Benny Blanco, Snow Patrol's Johnny McDaid, and BRIT-Award nominee and + collaborator Jake Gosling. Features the exhilarating 'Sing'.