The addition of singing and dancing to the original animation may be a continuation of the popular entertainment experience at that time.

Animation soundtracks are much less restricted than movies and TV series, because the scenes are not restricted and the visual elements can be perfectly integrated with the musical elements. Therefore, adding songs and dances to animations can make it easier for the audience to understand and like it. Later on, I felt that adding singing and dancing to the animation also had commercial considerations. Adding singing and dancing to the animation can better express the music. Music in animated films is also a large part of animation companies' income.

Musara seems to be a tradition in Western animation. This tradition obviously has a "performance" meaning. Western cartoons have discovered that they have an innate talent for "performance" almost from the beginning, so they have chosen the form of "musical" as one of the basic forms of their realization.

Typical musical animation: "Beauty and the Beast" and "The Hunchback of Notre Dame".

This article introduces the continuity of song and dance elements with American Broadway musicals and Hollywood musicals, providing a historical and cultural background for in-depth study of song and dance elements. It lists in detail the different characteristics and achievements of song and dance elements in their embryonic, development and prosperity periods, and demonstrates the important position of song and dance elements in American cartoons.

The two major components of song and dance elements are singing and dancing, and the characteristics and functions of singing forms, lyrics, soundtracks, dance types and dance forms are summarized.