Which folk story does the singing apple come from? What is the general content of this folk story?

Three singing apples are from the Italian folk story The Shepherd. The main content of "Little Shepherd" is as follows:

A little shepherd is cursed for doing bad things and will never grow up unless he finds Bagelina. The little shepherd took a birdcage from an old woman and found Baglina in it, but a servant threw Baglina into the well. Later, Baglina became a fish, a tree, and was chopped into firewood by a little shepherd and put at home. The firewood eventually became a little Baglina. So, the little shepherd broke the magic and grew up with Baglina to get married.

Characteristics

Folk stories, which came into being later than myths and legends, are a long-standing style after people became the masters of the objective world. Although the content of the story has different degrees of fantasy elements, it is based on real life, and its theme, characters and main plot are in line with the life logic when the story is spread.

from myths and legends to metamorphosis stories, animal stories, fables, life stories and jokes, the fantasy of their contents and artistic techniques is weakened in turn, and the reality is enhanced in turn. This is the main feature that distinguishes folk stories from myths.