(FILES) In this file photo taken on February 8, 2019 US singer-songwriter and 2019 MusiCares Person Of The Year Dolly Parton arrives for the 2019 MusiCares Person Of The Year gala at the Los Angeles Convention Center in Los Angeles. - From "Jolene" to "Vaccine" -- country music legend Dolly Parton has received her first Covid shot, and urged Americans to follow her lead with a rewrite of her classic hit singing the vaccine's praises. "Vaccine, vaccine, vaccine, vaccine, I'm begging of you, please don't hesitate," she sang to the tune of her 1973 hit. "Vaccine, vaccine, vaccine, vaccine, because once you're dead, then that's a bit too late." (Photo by Valerie MACON / AFP)