But there is a rhythm to that noise -- a beat, a municipal pulse that resonates in the city's soul.

BBC: This is Buenos Aires week

"If this election is to take the political pulse of our nation, then I want every beat and every vote to show a nation that looks with hope and generosity and courage to the future, not with regret or hurt, and bitterness of the past, " he said in the final hours of the race.

BBC: Irish parties pull out the stops on last day of race