Dr. Teeth and The Electric Mayhem firmly established as the regular Muppet pianist. Later performances mostly feature lead vocals by Floyd or Janice and only a few featured Dr. Teeth. His speaking roles got even smaller after his performer Jim Henson's death; an exception was the 1991 Muppets stage show "Muppets on Location: Days of Swine and Roses", the voice being performed by John Kennedy. He performed Dr. Teeth from 1991 to 2003 but made only very brief appearances with very little dialogue, some examples being the 1999 film "Muppets from Space" and once in the music video for the We Are Family charity song in
Mayhem (band) Spellemann Award for best heavy metal album. Mayhem was founded in 1984 by guitarist Øystein Aarseth (known initially as "Destructor", later "Euronymous"), bassist Jørn Stubberud ("Necrobutcher") and drummer Kjetil Manheim, taking their band name from the Venom song "Mayhem with Mercy". The band members were mainly influenced by groups such as Venom, Motörhead, Black Sabbath, Slayer, Bathory and Celtic Frost. The lineup began playing cover songs by Black Sabbath, Venom, Motörhead and later recorded the demo "Pure Fucking Armageddon". After its release, Aarseth, who used to sing lead vocals, along with Stubberud, during first demo's studio rehearsals, recruited two session