Watch: All Blacks Sevens sing sweet waiata while running through stretching exercises ahead of Cape Town tournament

The All Blacks Sevens are heading into this weekend's Cape Town Sevens series in tune after being spotted singing a Māori waiata while stretching.

The team busted out a guitar before a training session to accompany their voices as they look to follow up their stellar start to the new season.

The All Blacks Sevens are currently top of the World Series Standings after winning the opening round in Dubai where they beat the US 21-5 in the Cup Final.

The team kicks off their Cape Town campaign tomorrow night against Zimbabwe at 11:50pm NZT.

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