3L..
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NUMBER OF METAL BANDS PER 1 MILLION PEOPLE
(Encyclopaedia Mctallum. Mar 2016)
more maps at
jakubmarian.com
According to
Encyclopaedia Metallum
as of January 2018
Copyright notice:
Via image may i>e copied and shurrJ h'irfc proper attnivlion
METAL BANDS PER I MILLION IN