Lady Gaga has cycled through many iterations in the time we've known her: disco diva, Warholian punk, country-inflected barroom balladeer, star of movies both successful and not. But with the Grammy-night debut of her video for the new single "Abracadabra,

Lady Gaga is singing about more than a magic-filled dance floor in "Abracadabra." Its refrain has a hidden meaning, which doubles as a callback to an early hit.