Prime STH is an alt-metal quartet from Stockholm, Sweden. The band, which includes vocalist Noa Modén, guitarist Martin Påhlsson, bassist Jesper "JSPR" Eksjoo, and drummer Kasper "Kaz" Lindgren.
As of 2006, the band has released two full-length recordings with help from veteran music producer Andy Wallace (Linkin Park, Nirvana, and System of a Down) as well as studio engineer Tom Lord-Alge (Abandoned Pools, Limp Bizkit, and Marilyn Manson.)