Courtesy NBC News

Randee DawnTODAY contributor

Not all surprises are a good idea, and in the case of Aug. 17's South African celebration Mandela Sports and Culture Day, it might have been a wise idea to warn attendees that there was a concert at the end of the day.

But that concert, by Brandy, was apparently a surprise — and according to multiple reports, almost no one stuck around long enough to watch her perform.

South African musician Kabomo tweeted what he saw on Saturday:

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