The Keystone XL pipeline failed to clear a Senate filibuster by a single vote on Tuesday — and one Native American activist was glad to witness it, breaking out into a traditional tribal song from the gallery.

The man has been identified as Greg Grey Cloud, a member of the Rosebud Sioux Tribe in South Dakota — and his allies say he was not truly protesting, but celebrating the outcome of the vote. Click above to hear him — then share this video!

Video via Argus Leader/U.S. Senate.

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