The myth, as it's usually told
Circe was a sorceress living alone on the island of Aiaia. When Odysseus's crew arrived, she welcomed them with food and wine laced with a potion, and turned them into pigs. Odysseus, protected by an herb Hermes gave him, resisted her magic; she restored his men, and they stayed with her for a year.
What the song hears
She does not change men. The cup only shows what they already were.
