Was porter waggoner the subject of I will always love you by Dolly Parton?

Dolly Parton wrote "I Will Always Love You" as a farewell to Porter Wagoner when she left his tour to pursue her solo career. The song was released in 1974 and became a hit, reaching number one on the Billboard Hot Country Songs chart. It has since been recorded by numerous artists, including Whitney Houston, who released a version that became one of the best-selling singles of all time.