Most of the orchestra musicians on the last show scene at Teatro Municipal de Niterói were actually playing with Tim Maia in his last show in 1998 at the same place.
The scene which Roberto Carlos give old boots and ask his assistant to give money to Tim Maia was very questioned about its veracity. Roberto Carlos said on a interview after seeing the movie that he didn't remember any of that treatment with Tim Maia by him or his assistants.
Alice Braga was first attached to the role of Janaína, but ended up dropping out due to scheduling conflicts. The part was ultimately given to Alinne Moraes.
The reporter who interviews Tim Maia is Carmelo Maia, son of the real singer.
Babu Santana had to gain 15 kilos to play Tim Maia.