It's Lulu

Episode 10 (3x10)

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with special guests Ronnie Barker, Bill Withers, Jose Luis Moreno featuring Adrienne Posta with Roger Kitter, Paul Greenwood and Segment Says Lulu: "Ronnie Barker's characters are always real, but the one he plays tonight - the hairy Country and Western singer, Fat Belly Jones - could've come straight from Nashville".