Put it right under a reveal or entrance, at the moment the picture changes, then let a background music loop carry the next scene underneath your dialogue, keeping this clip front and centre as the payoff before you cut away.
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A 9-second sung excerpt in Italian, with a bright male chorus chanting 'Siamo i Watussi' over a bouncy pop backing. It feels cheerful, goofy and instantly infectious, like a celebration breaking out for no reason. The clip comes from the Italian novelty song 'I Watussi'.