There are three bands with the name Constraint: 1) Fast ugly hardcore from Philladelphia, Pennsylvania formed in 2014. 2) Hardcore punk band Constraint from Hannover (active in the late 90s) 3) Punk band Constraint from the UK (active between 2003-2005) 4) Symphonic Metal band from Italy (active 2011-present) 5) Hardcore band from Louisville, KY 1) Constraint are a noise/grind/punk band from Philadelphia, PA. Derek L. // Guitar Chandler A. // Vocals Read more on Last.fm