Dolly Parton recorded a song in 2015 to be played on January 19, 2046, which would have been her 100th birthday. "The recording is stored on a CD, and Parton even included a CD player inside the box to make sure people would still have a way to listen to it..."
Dolly Parton left one final song for fans to hear in 2046
Dolly Parton planned the music for her final farewell, left a secret song for 2046 and asked that her Broadway musical move forward after her death.
abcnews.com