Make sure you at least understand and consider maintaining and registering publishing ownership when you let others use your beat. Otherwise, you run the risk of making the beat to a song but never getting properly paid for it. Consider further that it is very easy to distribute your music as a standalone product. People like instrumentals, too. Spotify recognizes when listeners like your music and will help you find your listener base, algorithmically if not personally.
He plays around with what I’m calling the bridge, by taking the material and chopping it up randomly to make what I can only call a “second bridge.” He even chops up these lyrics to put them in the outro, and again, not in an established sequence! The second half of the choruses are pretty cool, how he shoves three stanzas into two bars. I’ve probably written over 200 songs myself, and I can’t remember ever doing this. Study it, people. Try it on for size.