Periphery is an American progressive metal band that was formed in Washington, D.C., in 2005. Their musical style has been described as progressive metal, djent, and progressive metalcore. They are considered one of the pioneers of the djent movement within progressive metal. They have also received a Grammy nomination. The band consists of vocalist Spencer Sotelo, guitarists Misha Mansoor, Mark Holcomb, Jake Bowen, and drummer Matt Halpern.