Periphery is an American progressive metal band 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.
Since their self-titled debut, the band has released an additional five albums: Periphery II: This Time It's Personal, the double album Juggernaut: Alpha and Omega, Periphery III: Select Difficulty and Periphery IV: Hail Stan. They've also released two EPs: Icarus EP and Clear. All Periphery material is self-produced by the members of the band.