In the wake of emotional abuse allegations from his ex-girlfriend Brianna Chickenfry, Zach Bryan is sharing new music that’s got some fans wondering if the songs are inspired by his recent heartbreak. Bryan dropped two new tracks at the end of last week — “This World’s a Giant” and “High Road” — along with a reflective social media post about how the songs came to be. In particular, he focuses on “High Road,” a track that he says came together after a recent visit to his late mother’s grave in Oklahoma. “Told her I quit touring because I got accepted to get my masters in Paris next year, I tol…