The movie music maestro Hanz Zimmer has just given us the first official release from his score for upcoming epic Dunkirk . Aptly entitled 'Submarine', the lengthy and ferocious instrumental builds and build until it sounds like a terrifying siren in the middle of a war zone.

Anyone who is familiar with the work of Zimmer will know he's a frequent collaborator with director Christopher Nolan so his involvement here is no surprise. The now 59 year old has previously worked on The Dark Knight trilogy and was nominated for academy awards for his work on other Nolan films Inception and Interstellar.

The World war 2 set Dunkirk tells the true story of the 400,000 Allied troops who had been trapped on a beach on the French coast while they waited to be rescued and returned to Britain. the Film stars Harry Styles, Kenneth Brannagh, Tom, Hardy, Mark Rylance and Ireland's own Cillian Murphy.

Both the film Dunkirk and its soundtrack will be released on July 21. Catch 'Submarine' Below: