Hi. Can I can use legally a track (popular music track) inny video, buying license or do it correctly without paying. I need to use some music pretty often in videos for a contest, but they can say that my track is against the artist rights. Your advices? I usually can’t use any other song

Hey guys, this is my first cinematic video. I am trying different color gradings and shots. Let me know what you think (honestly) and if you have some recommendations, I'm all ears.