"Raskasta joulua" is a term in Finnish which means "heavy Christmas" in English.
Many notable Finnish metal vocalists have appeared on Raskasta Joulua albums and tours, including Marko Hietala, Jarkko Ahola, Ari Koivunen, Juha-Pekka Leppaluoto and Tony Kakko.
The band's first album, Raskasta Joulua, contained performances by the Trans-Siberian Orchestra and was produced by T2 Productions.
The second album was released on the Warner label in 2006 after a promotional 3-concert tour in December 2005 increased the popularity of the project.
They also released their second self-titled album, which achieved platinum status in Finland.