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Study: Metal, Rock + Grunge Listeners Among Happiest Music Fans
In Concert Productions, Inc.
Why heavy metal is most popular in the happiest nations- Big Think
10 Essential Environmental Songs for the Metalhead in All of Us - Greenpeace USA
Why heavy metal is most popular in the happiest nations- Big Think
Study Proves Heavy Metal Lovers Are Happier Than Most - Music Feeds
Why Is Heavy Metal Most Popular In Wealthy Countries?
Heavy Metal is Way More Popular Than You Think - John M Jennings
OC] Metal bands bring happiness (as chocolate brings Nobel Prizes) : r/dataisbeautiful