Personnel

• James Hetfield
  James Hetfield
  James Alan Hetfield is the rhythm guitarist, co-founder, main songwriter, and lead vocalist for the American heavy metal band Metallica. Hetfield co-founded Metallica in October 1981 after answering a classified advertisement by drummer Lars Ulrich in the Los Angeles newspaper The Recycler,...
  
   - lead vocals
  Singing
  Singing is the act of producing musical sounds with the voice, and augments regular speech by the use of both tonality and rhythm. One who sings is called a singer or vocalist. Singers perform music known as songs that can be sung either with or without accompaniment by musical instruments...
  
  , rhythm guitar
  Rhythm guitar
  Rhythm guitar is a technique and rôle that performs a combination of two functions: to provide all or part of the rhythmic pulse in conjunction with singers or other instruments; and to provide all or part of the harmony, ie. the chords, where a chord is a group of notes played together...
  
  
• Lars Ulrich
  Lars Ulrich
  Lars Ulrich is a Danish drummer, and one of the founding members of the American thrash metal band Metallica. He was born in Gentofte, Denmark to an upper-middle class family. A tennis player in his youth, Ulrich moved to Los Angeles, California at age sixteen to pursue his training; though rather...
  
   - drums
  Drum kit
  A drum kit is a collection of drums, cymbals and often other percussion instruments, such as cowbells, wood blocks, triangles, chimes, or tambourines, arranged for convenient playing by a single person ....
  
  
• Kirk Hammett
  Kirk Hammett
  Kirk Lee Hammett is the lead guitarist and a songwriter in the heavy metal band Metallica and has been a member of the band since 1983. Before joining Metallica he formed and named the band Exodus. In 2003, Hammett was ranked 11th on Rolling Stones list of The 100 Greatest Guitarists of All Time...
  
   - lead guitar
  Lead guitar
  Lead guitar is a guitar part which plays melody lines, instrumental fill passages, guitar solos, and occasionally, some riffs within a song structure...
  
  , backing vocals
  Backing vocalist
  A backing vocalist or backing singer is a singer who provides vocal harmony with the lead vocalist or other backing vocalists...
  
  
• Jason Newsted
  Jason Newsted
  Jason Curtis Newsted is an American bassist known for his work with Metallica, Voivod and Flotsam and Jetsam. Joining Metallica in 1986 after Cliff Burton's death, Newsted remained a member until 2001, making him the band's longest-serving bassist...
  
   - bass
  Bass guitar
  The bass guitar is a stringed instrument played primarily with the fingers or thumb , or by using a pick....
  
  , backing vocals on tracks 1-6
• Robert Trujillo
  Robert Trujillo
  Robert Trujillo is an American bassist who currently plays bass in Metallica. He has also played in Suicidal Tendencies, Infectious Grooves, Black Label Society, and with Jerry Cantrell and Ozzy Osbourne.-Career:...
  
  - bass, backing vocals on tracks 7-8