Burlington, Ont.’s own Walk Off The Earth will sing the Canadian national anthem live at the NBA Finals on Friday.

The foursome announced the exciting news on Tuesday, just days after wrapping the U.S. leg of their tour. They will perform “O Canada” to kick off Game 4 of the finals between the Toronto Raptors and Golden State Warriors.

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Band members Sarah Blackwood and Gianni Luminati took to Twitter to share the surprise with fans:

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The Toronto Raptors will take on the Golden State Warriors in game three Wednesday night before moving on to game four in Oakland, Calif. on Friday. The best of seven final is now tied at 1-1.

Later this month, Walk Off The Earth will embark on the European leg of their tour.