Dethklok and Mastodon

Dethklok

Dethklok is a virtual death metal[1] band created by Brendon Small and Tommy Blacha for the television show Metalocalypse. The band is sometimes cited as an example of "comedy rock" on par with bands such as GWAR or Spinal Tap, though the overtly comedic aspects of the band are usually reserved for show episodes. Dethklok released their first album in 2007, and the music itself is relatively straightforward extreme metal. The band's less common typeset moniker, Dëthkløk, includes the heavy metal umlaut.

Mastodon

Since forming in 1999, Atlanta's Mastodon has essentially lived on the road. After non-stop touring the band, Brann Dailor, Bill Kelliher, Troy Sanders and Brent Hinds decided to record a demo, which would ultimately be released in a shortened EP form on Relapse Records as Lifeblood. The success of the EP spurned more touring, and even greater success. Their first full-length album Remission, followed in 2002. True to form another round of touring ensued and then Leviathan an album critics were quick to embrace. But it's with the band's legion of fans that they have really delivered. Mastodon's "blue collar" touring ethic has ear...