Giorgio Moroder, the godfather of synth disco, just released the music video for his new track Déjà Vu, and it's both a pop love song and maybe even a sci-fi trip through alternate dimensions. Featuring Sia, the video stars a nameless man in white presumably looking for the girl of his dreams. After entering a hotel, he runs into ghostly Sia lookalikes over and over again, all taunting him to the point of madness. Are these the same woman? We'll never know for sure, especially since they all meet in the end — a la Bioshock Infinite — to chase him out of the hotel, leaving him right where he started. Take a look.