Roger Whittaker - 'Gentle on My Mind.' Ginette Reno - 'Bridge over Troubled Water.' Los Reales Del Paraguay - 'Un Rayo Del Sol' & 'La Bamba.' Roger Whittaker - 'Scarborough Fair.' J. Vincent Edwards - 'It Was a Very Good Year.' Ken Dodd - 'When Love Comes Round Again.' Lulu - 'It Don't Come Easy.' J. Vincent Edwards, Ginette Reno, Lulu and Roger Whittaker - 'Put a Little Love in Your Heart.' Marvin, Welch and Farrar - 'Lady of the Morning.' Lulu - 'Everybody Clap.' Roger Whittaker - 'Greensleeves.' & 'Halfway up a Mountain.' All the guests and studio audience - 'Aquarius (Let the Sunshine In)’.