Metallica is an American thrash metal/heavy metal band. The band came together in Los Angeles in 1981 and helped to invent the thrash sub-genre of heavy metal. They are well known for many of their songs, including "Master of Puppets", "The Unforgiven", "One", "Enter Sandman", and "Nothing Else Matters." Since then, they have become one of metal's most popular and successful bands, and have sold over 100 million albums worldwide. The band's fifth album, Metallica, has sold over 125 million copies, making it the twenty-fifth biggest selling album of all time in America.