Here you can understand better how Brazil's most synchronized and rehearsed choreography happened in more detail:

https://theintercept.com/2016/06/30/major-new-brazil-events-expose-the-fraud-of-dilmas-impeachment-and-temers-corruption/

http://www.bbc.com/news/world-latin-america-36028117

https://www.nytimes.com/2016/09/01/world/americas/brazil-impeachment-coup.html