original: Before Snow White, the Disney studio had been primarily involved in the production of animated short subjects in the Mickey Mouse and Silly Symphonies series.
simplifications: Before Snow White, the Disney studio had been primarily involved in the production of animated short films in the Mickey Mouse and Silly Symphonies series. Before Snow White, the Disney studio had been involved in the production of animated short films in the Mickey Mouse and Silly Symphonies series. Disney studio had been primarily involved in the production of animated short subjects. Snow White changed that. Before Snow White, the Disney studio had mostly just made animated shorts in the Mickey Mouse and Silly Symphonies series. Before Snow White, the Disney studio had been mainly involved in making animated short subjects in the Mickey Mouse and Silly Symphonies series. Before making Snow White, Disney was mostly producing short pieces like the Mickey Mouse and Silly Symphonies series. The Disney studio produced animated short subjects in the Mickey Mouse and Silly Symphonies series. That changed after Snow White was produced. Before Snow White, Disney had been mainly into making animated short films in the Mickey Mouse and Silly Symphonies series. The Disney studio had mostly produced animated short subjects in the Mickey Mouse and Silly Symphonies series before the movie Snow White The Disney studio had been mainly involved in the creation of animated short subjects in the series Mickey Mouse and Silly Symphonies prior to Snow White.