He performed a beautiful version of You Don't Know Me, and - with the sisters - (Give Me That) Old Time Religion. This was followed by a fragment of Do Lord, Remember Me with the sisters and Sylvia Hutton.
The show was directed by Jack Regas, and was taped at the Sunset/Gower Studios in Hollywood.
The DVD Best of the Barbara Mandrell and the Mandrell Sisters Show includes Ray's You Don't Know Me. Time Life B000KP6EEG 1982-01, 2007.
The complete show can be watched here: