Ray Charles On Public People, Private Lives (1989)

Public People, Private Lives was a gossip talkshow, hosted by Sarah Purcell, featuring interviews with famous personalities in the stars' own homes. It ran for one season, 1988/89.
On or around 2 October 1989 Purcell had Cheryl Tiegs, Larry Hagman and Ray Charles on her show.

Here's the - surprisingly candid - interview segment with RC: