Slipknot is an American alternative metal band from Des Moines, Iowa. The band was formed in 1995 and brought together the aggressive sound of nu metal and alternative metal. Since then, they have released five studio albums, with their 2000 effort being the most popular. Slipknot has had nine Billboard Hot 100 hits and won nine Grammy nominations. The band has won numerous awards from respected music magazines and have produced a variety of music videos. They incorporate elements from metal, punk rock, alternative rock and horror film soundtrack arrangements. Their live performance features masks, jumpsuits and aggressive, chaotic music-making. The unique performance style combined with their catchy tunes has made Slipknot a popular metal band since their initial explosion into the mainstream.