Input (grade 10): Formed after the demise of Ament and Gossard's previous band, Mother Love Bone, Pearl Jam broke into the mainstream with its debut album, Ten.
Output (grade 11): They were an important part of the grunge (or "Seattle sound") movement of the early 1990s, along with bands like Nirvana, Soundgarden, Stone Temple Pilots, and Alice in Chains.