Cesium 137 is an American synthpop musical group composed of Isaac Glendening and Vince Guzzardo. It originally also included Matt Cargill. Its first release was the album "Advanced/Decay" in 2001 on Tonedeaf Records. Its style was electro-industrial. It gained widespread attention, particularly with the moody dance track "Regrets", which was also released as a single and became a danceclub hit. Soon after the September 11, 2001 attacks, Matt Cargill joined the U. Read more on Last.fm