First off, if you havent seen Glen Keane's "Duet", please do, its a really sweet short film.
But anyways, aside from this film being very well done and satisfying to look at, it's also a good film to study if you want to pursue drawing. Reason being is that the characters in said film give a general sense of age progression, which is good to reference if you want to know the general proportions for a character with a specific age.
Example, if you wanna learn how to draw babies and find out what their general proportions are, then study the first couple of seconds of this film:
The same goes for any age up til adulthood, anytime you need the understand the general proportions of a person at a specific age, simply study how the characters in this film are drawn.
Just something worth sharing. Im gonna keep studying this film so I may update this later, but for now I just wanted to get the point across.