Premise: Metallica is an American heavy metal band based in San Rafael , California . Metallica 's current line-up comprises founding members Hetfield and Ulrich , longtime lead guitarist Kirk Hammett and bassist Robert Trujillo . The band expanded its musical direction and achieved substantial commercial success with its eponymous fifth album Metallica ( 1991 ) , which resulted in an album that appealed to a more mainstream audience . The band returned to its original musical style with the release of Death Magnetic ( 2008 ) , and in 2009 , Metallica was inducted into the Rock and Roll Hall of Fame .
Hypothesis: Metallica plays music.
Label: ENTAILMENT