Billy Ray Cyrus branded Firerose “dumb” and “selfish” in an expletive-filled rant. The ‘Achy Breaky Heart’ hitmaker’s estranged wife has accused the 62-year-old singer of subjecting her to months of “extreme verbal, emotional and psychological abuse” and a new audio tape seems to back up her allegations as he berated her during a row that appeared to be related to his timings for a performance. Audio obtained by DailyMail.com and Us Weekly magazine hears Billy say: “I needed to leave two hours ago.” Firerose replied: “No you didn’t, you can still leave.” Her spouse then yelled: “Get the f*** o…