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 of the Music Meister! soundtrack of "Mayhem of the Music Meister!" was released on October 23, 2009 as "Batman: The Brave And The Bold: Mayhem of the Music Meister! (Soundtrack from the Animated Television Show)". It contains 8 tracks from the episode and has been praised as being fun while criticized for its brevity. Mayhem of the Music Meister! "Mayhem of the Music Meister!" is an episode of the "" animated series. The episode features the villainous Music Meister (voiced by Neil Patrick Harris), who uses his power to control people through song to try to take over the world. Written by Michael Jelenic