"Omen" is a song by English electronic duo Disclosure featuring vocals from Sam Smith. It was released as a digital download on 27 July 2015 under Island Records. It is the second single from Disclosure's second studio album, Caracal (2015), following "Holding On". It was written by Guy Lawrence, Howard Lawrence and Smith and co-written by Jimmy Napes. It is the second collaboration between Smith and Disclosure, following "Latch" in 2012. The song charted in multiple countries and is featured on the soundtrack for the video game FIFA 16.