For the day of premiere Dragon Ball Super: Broly In Japan Toei opened the animation main song video from the movie.
It's about "Blizzard" – a song played by singer Daichi Miura and it will be released as a single on December 19th.
The video includes unpublished tape images, in particular the scenes of the fight between Goku and Vegeta against Broly.
Dragon Ball Super: Broly will be released on December 14 next year in Japan, but Chilean premises are scheduled for January 10, 2019.
It may be of interest to you: First Dragon Ball Super Review: Broly Submitted To The Movie