The Difference Machine is the fifth studio album by the English progressive rock band Big Big Train. It was released on 30 August 2007, by English Electric Recordings. TDM is a concept album exploring chaos theory, communication, failure, death, loss, and bereavement. The story is of the death of an individual, which was linked to an exploding star in a distant galaxy. There are more influences of Van der Graaf Generator, Genesis, Mew, Sigur Rós and King Crimson throughout the album.
