Madonna was forced to postpone a show at the River Plate Stadium in Argentina last night (December 3rd).
The singer had been due to play the first of four dates at the venue as part of her Sticky & Sweet world tour.
However, local media reports claim that the show was postponed after sound equipment failed to arrive due to flight delays.
Madonna is still scheduled to perform tonight (December 4th), Saturday and Sunday.
After her shows in Buenos Aires, she will travel to Chile and Brazil.
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