premise: Pearl Jam does not play rock music.
hypothesis: Pearl Jam is an American rock band formed in Seattle , Washington , in 1990 . Pearl Jam has outlasted and outsold many of its contemporaries from the alternative rock breakthrough of the early 1990s , and is considered one of the most influential bands of that decade . Stephen Thomas Erlewine of AllMusic referred to Pearl Jam as `` the most popular American rock & roll band of the '90s '' . Pearl Jam were inducted into the Rock and Roll Hall of Fame on April 7 , 2017 , in their first year of eligibility . Pearl Jam ( sometimes referred to as The Avocado Album or simply Avocado ) is the eighth studio album by American alternative rock band Pearl Jam , released on May 2 , 2006 on J Records .