So Dear to My Heart (1949)

This musical mix of live action and animation centers on a young farm boy, Jeremiah (Bobby Driscoll), who raises a rascally black lamb named Danny and works to enter the animal in a county fair contest. But to enter the contest, Jeremiah needs money. He also has to figure out how to keep his pet in line, since it's always scampering away. Jeremiah uses his daydreams for answers to his problems, learning valuable lessons to achieve his goal of entering Danny into the contest.