System of a Down is a metal band that originated in Los Angeles, California in 1995. They are known for their unique sound that incorporates elements of various genres. While there is some debate about their exact genre, they are generally considered to be alternative metal. Some sources also mention nu metal, heavy metal, hard rock, and progressive metal as genres that influence their music. The bands sound is characterized by its political and philosophical themes, as well as its use of Armenian folk music and Middle Eastern melodies. Overall, System of a Downs music is a blend of different genres that creates a unique and distinctive sound.