I.R.A. is a Colombian hardcore punk band from Medellín, Antioquia, formed in 1985 by David Viola (at present, guitarist and vocalist of the band) and some of his friends that have already left the band. It is one of the oldest bands that still exist in Medellín, thanks to the perseverance of David Viola. Its long career and recent tours in the United States have made it one of the most important and popular punk bands in Medellín and Colombia.