Personnel

• The Melvins
  The Melvins
  The Melvins are an American band that formed in 1983. They usually perform as a trio, but in recent years have performed as a four piece with two drummers. Since 1984, singer and guitarist Buzz Osborne and drummer Dale Crover have been the band's constant members...
  
   – performer, producer
  Record producer
  A record producer is an individual working within the music industry, whose job is to oversee and manage the recording of an artist's music...
  
  
  • King B
    Buzz Osborne
    Roger "Buzz" Osborne , also known as King Buzzo, is the guitarist/vocalist/songwriter and technically the only remaining founding member of the Melvins...
    
     – 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...
    
    , 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...
    
    , and bass
    Bass guitar
    The bass guitar is a stringed instrument played primarily with the fingers or thumb , or by using a pick....
    
    
  • Dale C
    Dale Crover
    Dale Crover is an American rock musician. Crover is best known as the drummer for Melvins and Men of Porn, Shrinebuilder, and for a brief time, drummer for Nirvana. He is also guitarist and vocalist for Altamont...
    
     – 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 ....
    
    , guitar and backing vocals
  • Mark D
    Mark Deutrom
    Mark Deutrom is a musician, composer, songwriter, and producer.-Early life:Mark Deutrom's first professional engagement was at age 15 when he played guitar in an El Paso Community Theater...
    
     – bass, guitar and backing vocals
• GGGarth – producer
  Record producer
  A record producer is an individual working within the music industry, whose job is to oversee and manage the recording of an artist's music...
  
  
• Joe Barresi
  Joe Barresi
  Joe Barresi is an American record engineer and producer who has worked with bands such as Kyuss, The Melvins, Tool, Queens of the Stone Age, Coheed and Cambria, Tomahawk, L7, The Jesus Lizard, Parkway Drive and Bad Religion.-Biography:...
  
   – engineer
• Geetus Guido South Aguto – assistant engineer
• Mike Elvis Smith – assistant engineer
• The Magic Eight Ball – spiritual guidance
• Scott Humphrey
  Scott Humphrey
  Scott Humphrey is a Canadian record producer and mix engineer. He began his music career as a keyboard player and programmer. He is best known for his work with multiplatinum recording artist Rob Zombie and has co-written, co-produced and mixed all of his records up until 2007's Zombie Live...
  
   – door squeaking & pencil sharpening
• Paul Dicarli – digital editing, back cracking & Moog
  Moog synthesizer
  Moog synthesizer may refer to any number of analog synthesizers designed by Dr. Robert Moog or manufactured by Moog Music, and is commonly used as a generic term for older-generation analog music synthesizers. The Moog company pioneered the commercial manufacture of modular voltage-controlled...
  
  
• David Lefkowitz – management
• Mackie Osborne
  Mackie Osborne
  Mackie Osborne is an artist, responsible for design and illustrations of many music albums since the 1980s. She is a member of the band Fleabag and has contributed to many albums on packaging artwork, layout design and art direction....
  
   – art direction
• Annalisa – photography

Trivia

• The Song "Sweet Willy Rollbar" was used in the game Tony Hawk's Underground 2
  Tony Hawk's Underground 2
  Tony Hawk's Underground 2, also known as THUG 2, is the sixth installment in Neversoft's Tony Hawk's Series and sequel to Tony Hawk's Underground. Tony Hawk's Underground 2 was released on October 4, 2004 for the PlayStation 2, GameCube, Xbox, PC, and Game Boy Advance platforms...
  
   and on an episode of Jackass
  Jackass (TV series)
  jackass is an American reality series, originally shown on MTV from 2000 to 2002, featuring people performing various dangerous, crude, ridiculous, self-injuring stunts and pranks...
  
  .