premise: Pearl Jam plays loud music.
hypothesis: Pearl Jam is an American rock band formed in Seattle , Washington , in 1990 . Since its inception , the band 's line-up has comprised Eddie Vedder ( lead vocals ) , Mike McCready ( lead guitar ) , Stone Gossard ( rhythm guitar ) and Jeff Ament ( bass ) . Stephen Thomas Erlewine of AllMusic referred to Pearl Jam as `` the most popular American rock & roll band of the '90s '' .