To mark the upcoming release of the documentary Still Working 9 to 5, Dolly Parton and Kelly Clarkson joined forces to produce a moving rendition of Parton’s beloved 1980 hit song, “9 to 5.” The documentary, out Sept. 16, revisits the iconic comedy film 9 to 5 to discuss its lasting impact on amplifying women’s issues and feminist ideals within mainstream media culture.

The Grammy Award-winning singers were assisted on the reworked track by the documentary’s executive producer and songwriter Shane McAnally, singer-songwriter Sasha Alex Sloan, and producer King Henry. The song transforms the original country-tinged anthem into a subdued, dream pop ballad that highlights the pain and struggles lingering within Parton’s lyrics.

“Nobody sings like Kelly Clarkson,” Parton said in a statement about the track. “She makes any song come alive. I love her voice on ‘9 to 5’ and I am so proud I got to sing with her on it.

Still Working 9 to 5