Billy Ray Cyrus is blaming equipment failure for his shaky performance at President Trump’s post-inauguration Liberty Ball. The singer-songwriter appeared to have technical difficulties when he took to the stage Monday and wound up singing an a-cappella version of “Achy Breaky Heart.” Cyrus took to social media the following day and said he’s learned through the years that “when the producer says, ‘You’re on,’ you go entertain the folks” — even if the equipment isn’t working. Cyrus said he was there for the people and “had a blast.”