All Nightmare Long

From Metallica Wiki

All Nightmare Long is the fifth track and forthcoming fifth single on Death Magnetic. A "Single Collector Package" will be released on December 15th. A music video of this song was made in which 1n the year 1913 the USSR finds a spore that is able to reincarnate the dead. They learn how to control it and in 1949 release the spore on America. The spore causes a zombie apocalypse in the United States. Within days the country and it's military forces are overrun. Russia then takes out the spore and claims America as it's own.