Dr. Teeth and The Electric Mayhem his few speaking appearances was in the Shirley Bassey episode where he sang a line of "Barnyard Boogie." He was mainly created so that Whitmire could have a character to perform in the band. His lack of character development was apparently due to Whitmire's uncertainty about performing Lips. He was less experienced as a puppeteer at the time and wanted to use a voice like Louis Armstrong but was afraid of offending African Americans. After "The Muppet Christmas Carol", he wasn't seen at all until the NBC special "Christmas in Rockefeller Center". He also appeared in the movie "The Muppets".
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