Dolly Parton & Pentatonix Perform 'Jolene' A Cappella: Watch

Andrew Lipovsky/NBC
Dolly Parton performs on The Tonight Show Starring Jimmy Fallon on Aug. 23, 2016 in New York City.  

Dolly Parton and Pentatonix teamed up recently to rework Parton's classic "Jolene" a cappella style. 

CMA's 'Forever Country' Song Features Dolly Parton, Willie Nelson & 28 More Country Superstars: Listen

In a new video posted to Pentatonix's YouTube channel, Parton sings the leads while the Grammy-winning a cappella group's offers support with backing harmonies and rhythm.

Watch it here:

Pentatonix kicks off its world tour in Singapore on Saturday. The song is available across digital storefronts. 

Pentatonix's Kirstin Maldonado Gets Engaged in Paris

Both parties praised each other online, with Parton saying it was a lot of fun collaborating on the rearrangement and Pentatonix calling the experience "a dream come true."