Dolly Parton's enduring hit "I Will Always Love You" has a history rooted not in romantic heartbreak, but in a professional parting of ways with her longtime collaborator Porter Wagoner.

Parton, the country music legend, composed the ballad in 1973, the same afternoon she also wrote "Jolene." The song was inspired by her decision to leave "The Porter Wagoner Show," a syndicated program where she had been a featured performer since 1967. Wagoner had been instrumental in her early career, helping her sign with RCA Victor and releasing 13 albums with him.

Despite their professional success, Parton felt a strong calling to pursue her own path. "I really felt like I needed to move on," she told The Howard Stern Show in 2023. "I didn’t want to spend the rest of my life being a girl singer. I knew my destiny."

Wagoner reportedly struggled with her decision, leading Parton to channel her emotions into music. "I thought, ‘Well, why don’t you do what you do best? Why don’t you just write this song?’" she recounted.

She presented the song to Wagoner alone in his office. He was deeply moved by the ballad, telling her, "That’s the best song you’ve ever wrote… You can go if I can produce the song." The two remained friends, and Parton was present at Wagoner's bedside when he died in 2007.

An earlier opportunity to record the song by Elvis Presley was thwarted when his manager, Colonel Tom Parker, demanded half of the publishing rights. Parton described the situation as devastating, stating, "I cried all night." She later reflected, "I always wondered what it would sound like. I know he would have killed it."

Parton's composition found global fame nearly two decades later when Whitney Houston recorded it for the soundtrack of the 1992 film "The Bodyguard." Initially, Houston was slated to sing "What Becomes of the Brokenhearted," but that song was being climbed the charts by another artist. The film's music supervisor, Maureen Crowe, suggested "I Will Always Love You" to producer and star Kevin Costner, who approved.

Houston's rendition became a monumental hit, and according to Forbes, Parton earned approximately $10 million in royalties from its success. Reflecting on the song's 50th anniversary in 2024, Parton expressed her sentiment on Instagram: "I never realized it was your song," acknowledging how the ballad had taken on a life of its own beyond its personal origins.