“I’ve got a golden ear, a silver tongue, and a pair of brass balls.” This glib pronouncement is how we meet Richie Finestra (Bobby Canavale), the troubled record exec protagonist of HBO’s new drama Vinyl. But don’t let his initial tough-guy slickness fool you: Richie is on the edge of the precipice. His self-made label is about to be sold to a German conglomerate of dweebs, the titans of radio won’t play his artists, and Led Zeppelin refuses to sign with him. He’s a man haunt