Simplify the following text for a Grade 6 native English-speaking person.
Original: Thrash metal emerged in the early 1980s under the influence of hardcore punk and the New Wave of British Heavy Metal , particularly songs in the revved-up style known as speed metal . The movement began in the United States , with Bay Area thrash metal being the leading scene .
Simplified: Another type of heavy metal in the 1980s was called `` thrash metal '' or `` thrash . ''