Producer: Biffy Clyro - Producer: Adam Noble - Engineer: Adam Noble - Mixer: Adam Noble - Programming: Adam Noble - Vocals: Simon Neil - Guitar: Simon Neil - Keyboards: Simon Neil - Bass: James Johnston - Background Vocalist: James Johnston - Drums: Ben Johnston - Background Vocalist: Ben Johnston - Mastering Engineer: Frank Arkwright - Composer/Author: James Hetfield - Composer/Author: Lars Ulrich