This trailer, from the screenwriter of the much loved and critically dismissed “Bohemian Rhapsody,” pushes buttons and leans in the music to remind us what a “once-in-a-generation” voice Whitney Houston had.

Naomi Ackie plays Whitney, Tamara Tunie is mother Cissy Houston, Ashton Sanders is Bobby Brown. And Stanley Tucci as music mogul Clive Davis? On the money, baby.

“I Wanna Dance with Somebody” opens this Dec.