Rarin’s “GTA” is a briskly aspirational single — “I been getting all this cash, I don’t need a label/Made it up from nothing fast, yeah this is a fable” — with distorted bass in all the right places.

Fortnite prodigy and streetwear aficionado K1NG sits down to talk to us about what it was like to win $900.000 at 13, how important it was to sign with FaZe Clan, and how he almost destroyed his ...