black metal /ˈblæk ˌmɛtəl/ noun3 •A subgenre of heavy metal music employing fast tempos, shrieked vocals, highly distorted guitars, double-kick drumming, raw recording and unconventional song structure, often emphasizing antireligious and misanthropic themes. •(old-fashioned) Any form of extreme metal having a Satanic or anti-Christian theme.While the motive is still under investigation, authorities said that Matthews’ interest in black metal music may have influenced his behavior. — 2019 •Iron, or similar metals worked by a blacksmith
