Pentatonix delivered a special rendition of “Jolene” alongside Dolly Parton herself!

“Singing with [Pentatonix] was pure magic,” Parton tweeted, “and we had lots of fun rearranging the song!”

Pentatonix called the experience “a dream come true” and responded to Parton, tweeting back at her, “It was magical singing with YOU!! We will never forget it!”