Kacey Musgraves Sings Patsy Cline, Gets Emotional With Robin Roberts [Watch]Kacey Musgraves Sings Patsy Cline, Gets Emotional With Robin Roberts [Watch]Kacey Musgraves demonstrated both her vocal chops and her softer side in an interview with Robin Roberts before the 2014 CMA Awards. Sterling WhitakerSterling Whitaker