"Blue Bayou" is the title of a song written by Roy Orbison and Joe Melson and sung by Orbison.
Linda Ronstadt took the song to #3 on the Billboard Hot 100 chart in late 1977 – as well as #2 Country and #3 Easy Listening. The single was RIAA certified Gold (for sales of over 1 million US copies) in January 1978. It was Ronstadt's first of three Gold singles. Don Henley of the Eagles sang backup on the recording. "Blue Bayou" was later certified Platinum (for over 2 million copies sold in the United States). It was a worldwide smash and was also popular in a Spanish-language version called "Lago Azul".