The album includes "Daddy Was an Old Time Preacher Man," written by Parton and her aunt, Dorothy Jo Hope, about Rev.

The review published by Billboard in the August 15, 1970 issue said, "That lilting voice of Dolly Parton's blends perfectly with the lusty sound of Porter Wagoner – as they prove in definitive measure on the hit "Daddy Was an Old Time Preacher Man" – the key sales impetus on this LP.

"[4] Cashbox published a review in the August 8, 1970 issue, which said, "Here's the new album release by one of country music's most famous duos, Porter Wagoner and Dolly Parton and it's a powerhouse item all the way.

Decker features such tracks as "Daddy Was an Old Time Preacher Man", "I Know You're Married But I Love You Still", "Before Our Weakness Gets Too Strong", "A Good Understanding", and "Let's Live for Tonight".

The album's single, "Daddy Was an Old Time Preacher Man", received a nomination for Best Country Performance by a Duo or Group at the 13th Annual Grammy Awards.