Raskasta Joulua is a band from Finland who have recorded traditional Christmas carols and Christmas hits in a Heavy metal style. Raskasta Joulua is a term in Finnish which means "Heavy Christmas" in English. The concept was founded by guitarist Erkka Korhonen in 2004. "Raskasta Joulua" - albums and tours have featured appearances of many notable Finnish metal vocalists as Marco Hietala, Jarkko Ahola, Ari Koivunen, Juha-Pekka Leppaluoto and Tony Kakko.