The Muppets Present...Great Moments in American History dialogue track. The Muppets Studio and Muppet performers Steve Whitmire, Eric Jacobson, and Dave Goelz provided consultation, as well as recording the voices for their respective characters. Kermit the Frog, Miss Piggy, Fozzie Bear, Gonzo, and Sam Eagle are featured in the show. A live cast member portrays James "J.J." Jefferson, the town crier who engages the audience in the "Declaration of Independence" sketch. Each show performance features one of the following sketches: The show's development started in the spring of 2014, following the release of "Muppets Most Wanted". Originally, the show was only going to feature Sam Eagle interacting
The Muppets character; the performer who controls the mouth usually provides the voice for the character. As technology has evolved, the Jim Henson team and other puppeteers have developed several means to operate the Muppets for film and television; these include the use of suspended rigs, internal motors, remote manipulators, and computer enhanced and superimposed images. Creative use of different technologies has allowed for scenes in which the Muppets appear to perform such complex movements as riding bicycles, rowing boats, and dancing wholly independently of the performer. According to writer Michael Davis, the characters tend to develop "organically", alluding to the performers