Trivia: Selena's Grammy acceptance speech wasn't as emotional or as detailed as the one in the movie. In real life, she never mentioned Chris or the fans.
Trivia: Because of their roles in the film, both Brad Pitt and David Thewlis were banned from entering China.
Trivia: In the scene where the bass singer meets the convenor for the first time, the bass singer calls the bird 'Papageno' (the convenor corrects it to 'Paganini'). Papageno is, of course, the bird in Mozart's 'Magic Flute'.