It’s usually uncommon for fans to boo during their own national anthem slot.
But that’s exactly what happened when El Salvador played Argentina, with supporters of the former nation getting irate after the wrong track was boomed around the FedExField Stadium in Maryland.
The players looked perplexed as another anthem – believed to be the Isle of Man’s – was played out as they awkwardly exchanged glances.
The organisers have since apologised, insisting that it was an "honest mistake".
For those wondering, here's what the actual El Salvador anthem sounds like (scroll to 0:35 in the belowRead More »from El Salvador players shift awkwardly as wrong national anthem plays