A Dark Song does not feature any identifiable LGBTQ+ characters or themes. The narrative is solely focused on a woman's grief and her journey through a complex occult ritual to communicate with her dead child, with no elements related to queer identity.

The film "A Dark Song" does not feature any identifiable transsexual characters or themes. The narrative focuses on a grieving mother and an occultist performing a ritual, with no elements related to transgender identity or experiences present in the story.

The movie does not contain any action or adventure elements.

A Dark Song is an original film with no pre-existing source material, historical figures, or prior adaptations. All characters were created for this specific movie, thus precluding any gender swaps.

A Dark Song is an original film with no prior source material, historical figures, or previous adaptations. Therefore, its characters do not have a pre-established race that could be subject to a race swap.