9 to 5 by Dolly Parton was released on November 29, 1980, with Sing for the Common Man as the B side. The song appeared on the soundtrack album for the film of the same name, which starred Parton, Jane Fonda, and Lily Tomlin. It also appeared on Parton’s album 9 to 5 and Odd Jobs.
The song was a No. 1 hit in the United States, reaching the top spot on the Billboard Hot 100, Hot Country Songs, and Adult Contemporary charts. It was also nominated for an Academy Award and four Grammy Awards, winning for Best Country Song and Best Country Vocal Performance, Female.
A few months before the release of Parton’s 9 to 5, Sheena Easton released a single called 9 to 5 in the United Kingdom. When Easton’s song was released in the United States in 1981, it was renamed Morning Train (Nine to Five).
Front (left) and back (right) of the picture sleeve for the 7″ release of 9 to 5: