What Happened to You?(album version)

Credits

• Abe Cunningham
  drums (drum set)
• Chino Moreno
  electric guitar, lead vocals
• Chris Kasych
  mix
• Eric Isip
  assistant
• Frank Delgado
  keyboard, sampler
• Matt Hyde
  additional, engineer, recording
• Nick Raskulinecz
  producer
• Rich Costey
  mix
• Sergio Vega
  electric bass guitar
• Stephen Carpenter
  electric guitar
• Steve Olmon
  assistant