All the Uruguayan players could do was stand there, confused. The correct anthem was never played.
Uruguayan midfielder Diego Fagúndez later tweeted his displeasure:
Copa America organisers then issued an apology on twitter:
Unfortunately Chile's anthem did not go smoothly when it was their turn to play their opening match of the tournament.
Naturally, the musical stylings of Pitbull interrupted the final part of the Chilean anthem before Chile took on Argentina.
A distinct "MR. WORLDWIDE!" can be heard over the anthem before the PA system was shut down and fans and players finished Canción Nacional a capella.
The same day, the Bolivian flag was displayed upside down on the big screen before Bolivia played Panama:
The official social media account of the tournament could not escape error either, with the account tweeting a graphic featuring the wrong name alongside a photo of Costa Rica's Joel Campbell:
The man on the right is not Colombia's Juan Cuadrado.
The tournament will conclude on the 26th of June, and one can only hope that the organisers have got all of the errors out of the system over the course of the opening five days.
Hopefully organisers can prove these twitter users wrong when hosts United States take on Costa Rica later today: