Eighteen years ago today, Dolly Parton sang "I Will Always Love You" to Porter Wagoner during his 50th anniversary celebration at the Opry.

Dolly Parton and Porter Wagoner worked together for years. She said their dynamic could be a complete disaster.

Dolly Parton and Porter Wagoner began working together in 1967 and formed a very close professional relationship. They had such good chemistry on The Porter Wagoner Show and in their duets that ...

It even becomes all the more admirable when you learn exactly what Wagoner and Parton experienced during their professional relationship. Dolly Parton Pulls Back The Curtain on Porter Wagoner In ...

The data displayed for this chart goes back to 1994, however we hope to be able to offer deeper historic information at a future point ...