Maybe as an intro/ dance break/ acapella/ 30 second performance (like "Check on it") for her next tour, but for the Grammys she needs to perform Mine/Haunted.
That's not how things work,there's no way this could have risen without a live performance or other forms of promo like using it in adverts.Also the radio freeze and the fact that it hasn't taken off on pop didn't help matters.