What American folk music singer, songwriter, and Appalachian dulcimer player, often sang the Christian hymn Brightest and Best?
Brightest and Best:  It has been recorded by a number of artists, including Glen Campbell, Joanne Hogg and Kathy Mattea (on her album "Good News"). Jean Ritchie: Jean Ritchie (December 8, 1922 – June 1, 2015) was an American folk music singer, songwriter, and Appalachian dulcimer player.
i don't know