* * * *Lou Rawls and Duke Ellington combine to provide the first offering of 1969 at Melodyland Theatre in Anaheim. They will present five performances beginning tonight at 8:30 p.m. Two shows will be held tomorrow and another two on Sunday.Following this show the next program at the theatre will be the Juliet Prowse Show opening January 14 for a five day schedule. Appearing with her will be singer 0. C. Smith and Barbara Heller. Jimmy Durante and the Osmond Brothers will appear January 21 through 26.