"Dream" is an instrumental demo by Mars Argo. It was posted to the Grocerybag website on February 26, 2009 by Titanic Sinclair. The description for it was "I had a dream last night and it sounded like this".
At the moment, it has not yet resurfaced, and it remains unknown if it ever will. A fake leak of the song happened on May 11, 2017, claiming to have been found on the Wayback Machine. This has been proven false as the song was never archived.