13 Voices is the sixth studio album by Canadian rock band Sum 41, released on October 7, 2016. It is the first of two albums by the band to be released through independent label Hopeless Records. It is also Sum 41's first album to feature drummer Frank Zummo, who replaced original drummer Steve Jocz, and their first album to feature guitarist Tom Thacker. The album also features the return of longtime lead guitarist Dave "Brownsound" Baksh (who left in 2006 and returned in 2015). The album is also their first as a five-piece band. On May 11, 2016, the band announced that they had signed to Hopeless Records to release the crowd-funded project.