Track Deconstruction

Was wondering how you guys thought he achieved this style of mix/production. I heard some heavy side-chaining but that could also be a gate… What do you guys think? and how do you think they achieved this.

LINK -> https://www.youtube.com/watch?v=MOfib-llmDA

I would say Pro MB with hold fonction and lookahead

Thanks! was thinking it was some form of ducking. Sounds like something similar for the vocals ample aswell