Metallica

Primary Genres

 * Thrash Metal (Kill 'Em All - Metallica, St. Anger - Hardwired to Self Destruct)
 * Progressive Metal (...And Justice for All)
 * Heavy Metal (All Albums)
 * Hard Rock (Load, ReLoad)
 * Alternative Metal (Load - St. Anger, Lulu)

Secondary Genres

 * Country Rock (Mama Said, Turn the Page)
 * Alternative Rock (Load, ReLoad, Garage Inc.)
 * Symphonic Rock (S&M)
 * Doom Metal (The View)
 * Speed Metal (Kill 'Em All, Hardwired to Self-Destruct)
 * Avant-Garde Metal (Lulu)
 * Southern Rock (Load, ReLoad)
 * Punk Rock (Garage Inc.)
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