Sum 41’s fourth studio album, and first without guitarist Dave Baksh, features a return to the primary pop punk sound of the “All Killer No Filler” days. Written as a concept album focusing on lead vocalist Deryck Whibley's outlook on life, covering subjects such as politics, atheism and family life. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.