Premise: Metallica is an American heavy metal band based in San Rafael , California . 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 . Metallica ranks as one of the most commercially successful bands of all time , having sold over 110 million records worldwide .
Hypothesis: Metallica is a band.
Label: ENTAILMENT