"This song is about the story Norse myth where Hermod is sent by Odin to retriever Baldr from Hel. When he finally gets there, Hel tells Hermod that he will only release Baldr back to the world of the living if the entire world weeps for him."
That's mostly correct.
The goddess Frigg asks who wishes to win her favor, after Baldr's brother Hodr (blind god) is tricked into killing Baldr by Loke.
"This song is about the story Norse myth where Hermod is sent by Odin to retriever Baldr from Hel. When he finally gets there, Hel tells Hermod that he will only release Baldr back to the world of the living if the entire world weeps for him."
That's mostly correct.
The goddess Frigg asks who wishes to win her favor, after Baldr's brother Hodr (blind god) is tricked into killing Baldr by Loke.