Guitar: James Hetfield - Artist: Metallica - Vocals: James Hetfield - Drums: Lars Ulrich - Bass Guitar: Cliff Burton - Background Vocalist: Cliff Burton - Guitar: Kirk Hammett - Producer: James Hetfield - Producer: Lars Ulrich - Producer: Cliff Burton - Producer: Kirk Hammett - Producer: Flemming Rasmussen - Engineer: Flemming Rasmussen - Recording Arranger: James Hetfield - Recording Arranger: Lars Ulrich - Mixer: Michael Wagener - Assistant Mixer: Mark Wilczak - Mastering Engineer: Howie Weinberg - Mastering Engineer: Gentry Studer - Mastering Engineer: Lindsay Chase