Crossfaith is a Japanese metalcore band from Osaka that was formed in 2006, which currently consists of vocalist Kenta Koie, guitarists Kazuki Takemura and Daiki Koide, drummer Tatsuya Amano, and keyboardist Terufumi Tamano. They are characterized by performing a style of metalcore with dubstep and other forms of electronic music influences, and for their intense live performances.

Of Mice & Men is an American rock band formed in Costa Mesa, California, in 2009. The band's line-up currently consists of drummer Valentino Arteaga, guitarists Phil Manansala and Alan Ashby, and bassist and lead vocalist Aaron Pauley. The group was founded by former lead vocalist Austin Carlile and former bassist Jaxin Hall in mid-2009 after Carlile's departure from Attack Attack!. Carlile departed from the band in December 2016 citing that a long-term health condition prompted his exit. After Carlile's departure, the band continued to pursue creating music with Pauley as the band's bassist and lead vocalist.