This film does not feature any identifiable LGBTQ+ characters or themes. Therefore, an evaluation of its portrayal of queer identity is not applicable.

Based on the provided information, there is no content available to evaluate the portrayal of transsexual characters or themes in 'Um Sonho Atribulado'. Consequently, no depiction can be identified.

The movie does not contain any action or adventure elements.

There is no readily available information indicating that "Triumphant Song of the Mountain" (1929) is an adaptation of a work with pre-established characters whose genders were altered, nor is it a biopic where historical figures' genders were changed. Therefore, no gender swap can be confirmed.

This 1929 Japanese film is an original production without pre-existing source material or historical figures whose race would be altered. There is no evidence of characters being established as one race in prior canon and then portrayed as a different race in this film.