why do the animals like the song Beasts of England so much that they memorize it on the spot

why do the animals like the song Beasts of England so much that they memorize it on the spot
In Animal Farm, why do the animals like the song Beasts of England so much that they memorize it on the spot? To what emotions and needs does it appeal?

why do the animals like the song Beasts of England so much that they memorize it on the spot

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