They’re called the Ladies of AsiaSF. On a recent Sunday night, they danced and sashayed on the bar counter-turned stage of this cabaret and restaurant while the crowd clapped, snapped and whistled.

In the wake of Post Malone’s Stagecoach-defining headlining set, Amazon Music — which live-streamed the festival over the weekend — has released one of his coveted country covers. Fans raved about the ...