article_title associated_acts background birth_date
sami karppinen
 ruoska , therion non_vocal_instrumentalist 2 august 1971
sami karppinen

sami kristian karppinen is a finnish drummer .
he is a former drummer of swedish heavy metal band therion -lrb- 1998 -- 2001 -rrb- and finnish industrial metal band ruoska -lrb- 2002-2008 -rrb- , sound engineer and producer in modern art studio , and session drummer .
he has been working as drum tech for therion , after he left the band .
