Closing Crawl:  Sara and Maybelle reunited briefly during the folk revival movement of the 1960 's . Maybelle Carter died in _ 1978 _ . She is buried outside of Nashville Tennessee . Sara Carter Bays died in 1979 . She is buried in Poor Valley , Virginia . Hundreds of people from all over the world visit the Carter Fold and A.P. Carter 's grave every weekend . The songs that earned only a few hundred dollars a year in royalties at the time of A.P. 's death are now among the most valuable copyrights in all American music .