Kaross was formed in 2001. Over the years they have replaced a number of members, but since 2004 they are a fixed quartet. In december 2005 they won the respected music contest "Partillerocken" in Partille, outside Gothenburg, Sweden. They competed with about 40 bands. They released their debut album "Molossus" on Eastground Records on April 30th 2007.