Personnel

• Billie Joe Armstrong
  Billie Joe Armstrong
  Billie Joe Armstrong is an American rock musician and occasional actor, best known as the lead vocalist, main songwriter and lead guitarist for the American punk rock band Green Day...
  
   - lead vocals
  Lead vocalist
  The lead vocalist is the member of a band who sings the main vocal portions of a song. They may also play one or more instruments. Lead vocalists are sometimes referred to as the frontman or frontwoman, and as such, are usually considered to be the "leader" of the groups they perform in, often the...
  
  , guitar
  Guitar
  The guitar is a plucked string instrument, usually played with fingers or a pick. The guitar consists of a body with a rigid neck to which the strings, generally six in number, are attached. Guitars are traditionally constructed of various woods and strung with animal gut or, more recently, with...
  
  
• Mike Dirnt
  Mike Dirnt
  Michael Ryan Pritchard is an American musician, best known as the bassist, backing vocalist and co-founder of the American Rock band Green Day. While at school, he would play "air-bass." While pretending to pluck the strings, he made the noise, "dirnt, dirnt, dirnt"...
  
   - bass
  Bass guitar
  The bass guitar is a stringed instrument played primarily with the fingers or thumb , or by using a pick....
  
  , 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...
  
  
• Al Sobrante
  John Kiffmeyer
  John Kiffmeyer , was born on July 11, 1969. He was the first drummer of the punk rock/alternative rock band Green Day. He was given his nickname in reference to his hometown, El Sobrante.-Biography:...
  
   - 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 ....
  
  
• Aaron Cometbus
  Aaron Cometbus
  Aaron Elliott , better known as Aaron Cometbus, is an American drummer, lyricist, self-described "punk anthropologist," novelist, and author of punk rock zine Cometbus.-Personal life:...
  
  - backing vocals, "teeth" on "Knowledge"