Singer Dolly Parton (Dolly Parton's Heartstrings (2019)); Kacey Musgraves talks and performs;Singer Dolly Parton (Dolly Parton's Heartstrings (2019)); Kacey Musgraves talks and performs;Singer Dolly Parton (Dolly Parton's Heartstrings (2019)); Kacey Musgraves talks and performs;