Metallica play the biggest concert in Finland, draw one percent of population

55.000 people attended Metallica's concert at Kantolan Tapahtumapuisto on Tuesday night, and that number made it the biggest concert ever in the country of Finland, Loudwire reports. Finland's entire population is 5.503 million, which means that one percept of the population, or every hundredth Finn, was watching Metallica play that evening. Continuing their tradition of playing certain songs for the hometown audiences, guitarist Kirk Hammett and bassist Robert Trujillo performed 'Kuuma Kesä' by Popeda as part of their "guitar doodle".