personnel ; billy talent ben kowalewicz - lead vocals ian d'sa - guitar , vocals jon gallant - bass , backing vocals aaron solowoniuk - drums ; artwork liz barrett - art producer kim kinakin & henry fong - artwork kim kinakin - package design henry fong - cover illustration ian d'sa - art direction dustin rabin - photography ; additional musicians gavin brown - tambourine ; production gavin brown - producer ian d'sa - producer eric ratz - engineer steve blair & mary gormley - a & r chris lord-alge - mixing kenny luong - digital editing chart positions year-end certifications the worldwide sales estimation is 1,200,000 units .