In the beginning of the movie, you see Mumble's parents's meeting and mating, due to their love songs. Then, you see Mumble being born. When Mumble goes to school, all the penguins start to learn about their songs. when it is Mumble's turn, he, instead of singing, starts to dance with this feet! all the penguins are surprised, and they think of him as peculiar. Mumble's life goes downhill after this. Hope this helps! Brainliest please?