We're Back and it's time for The Death of Hair Metal Part 4. For the fourth installment of the the series the discussion shifts to Pearl Jam's 1991 debut album Ten. This landmark grunge album was key in getting the "Seattle Sound" to sweep the nation's air waves and put the final nail in the coffin of the LA glam metal scene, the guys get into one of the biggest questions ever asked on the show, what is grunge music?