This Halo insipred and -themed music video easily wins "the most Spartan costumes featured in a clip ever trophy," as a whole division of Spartans get into an intense firefight in an odd, but awesome setting with a piano in the centre.

A pretty large-scale video for William Joseph and Lindsey Stirling's song—, must have been fun bouncing around the field and dodging all those imaginary rockets.

Halo Medley - Firefight - Lindsey Stirling and William Joseph [YouTube]

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