Dolly Parton didn’t mince words about the way that she sang every time she stepped up to the microphone. She was always willing to speak her truth every single time she sang, and if you didn’t like the way that her voice sounded, that wasn’t all that important to her every time she came up with a new song. She was only the messenger behind the greatest country songs of all time, and she knew that there were always ways for her to get better if s…