Eternity's Children--""Mrs. Bluebird"" & Sajid Khan (ex-star of NBC-TV's ""MAYA"") will be interviewed by Dick Clark. THE AB68 TOP TEN HITS of 7/27/1968: 1. Hugh Masekela-Grazing in the Grass (It's So Real) 2. Gary Puckett & The Union Gap-Lady Willpower 3