Credits

• Brann Dailor
  Brann Dailor
  Brann Dailor is a drummer, best known as a member of Mastodon, a progressive metal band based in Atlanta, Georgia. Dailor was also a founding member of mathcore band Lethargy, and played with grindcore bands Discordance Axis and Today is the Day.-Personal life:Dailor was born into a musical family...
  
   − 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 ....
  
  
• Brent Hinds
  Brent Hinds
  Brent Hinds is an American guitarist/singer best known as a member of the Atlanta, Georgia metal band Mastodon, in which he shares guitar duties with Bill Kelliher and vocal duties with Troy Sanders and Brann Dailor....
  
   − Guitar
  Electric guitar
  An electric guitar is a guitar that uses the principle of direct electromagnetic induction to convert vibrations of its metal strings into electric audio signals. The signal generated by an electric guitar is too weak to drive a loudspeaker, so it is amplified before sending it to a loudspeaker...
  
  , vocals
• Bill Kelliher
  Bill Kelliher
  Bill Kelliher is a guitarist in the Atlanta heavy metal band Mastodon. He is a native of Victor, New York. He shares guitar duties with Brent Hinds, playing mainly complex rhythm parts. Kelliher is married, with two young sons—the eldest one named Harrison, after Harrison Ford of Star Wars fame...
  
   − Guitar
• Troy Sanders
  Troy Sanders
  Troy Sanders is an American bassist/singer best known as a member of the Atlanta, Georgia metal band Mastodon, in which he shares vocal duties with guitarist Brent Hinds and drummer Brann Dailor.-Background:...
  
   − Bass
  Bass guitar
  The bass guitar is a stringed instrument played primarily with the fingers or thumb , or by using a pick....
  
  , vocals