How does someone add this much groove to their song? This is literally insane. I can't even determine a BPM. HelP?

https://soundcloud.com/agavee/swing

Submitted December 16, 2017 at 03:39PM by new2musicproduction https://www.reddit.com/r/edmproduction/comments/7k8o0y/how_does_someone_add_this_much_groove_to_their/?utm_source=ifttt

Javier Rodriguez