There are two artists using this name: 1) Dysrhythmia is an American instrumental progressive metal band formed in Philadelphia, Pennsylvania in 1998. The band's music combines avant-garde elements of progressive rock and jazz with heavy metal. They are currently located in Brooklyn, New York. Their most recent release, Test of Submission, was released in August 2012 via Profound Lore Records. The band was formed in August 1998 by guitarist Kevin Hurnagel and bassist Clayton Ingerson, who were joined six months later by drummer Jeff Eber.