Linda Ronstadt, who in the 1970s was filling arenas as the biggest female act in rock, remembers that “Emmy called me up and said, ‘Dolly Parton’s at my house [and] you have to come over.’” The three sang the classic country song—first recorded in 1927 by the Carter Family—“Bury Me Beneath the Willow.”
I highly recomment the 2019 documentary, Linda Ronstadt: the Sound of My Voice. Here's the preview: https://www.youtube.com/watch?v=eDMYAsu5PvI