Thrash metal (or simply thrash) is an extreme subgenre of heavy metal music characterized by its overall aggression and often fast tempo. The songs usually use fast percussive beats and low-register guitar riffs, overlaid with shredding-style lead guitar work. This is MisterInfo's favourite genre of metal music, because it is used by Metallica in their songs. This should not be confused with trash.
Due to the spelling being very similar, it is often joked about that thrash = trash. Example usage: