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Credits

• Daron Malakian
  background vocals, guitar
• David Sardy
  mix
• Greg Fidelman
  assistant
• John Dolmayan
  drums (drum set)
• Nick Raskulinecz
  assistant
• Rick Rubin
  additional, piano, producer
• Sam Storey
  assistant
• Serj Tankian
  keyboard, sampler, vocal
• Shavo Odadjian
  bass guitar
• Sylvia Massy
  engineer
• System of a Down
  producer