Forty-Sixth Street Theatre, operated by City Playhouses Inc., Louis A. Lotito, president, Cheryl Crawford presents "Love Life," a vaudeville, book and lyrics by Jay Lerner, music by Kurt Weill, directed by Elia Kazan, choreography by Michael Kidd, with Nanette Fabray, Ray Middleton, settings designed by Boris Aronson, costumes designed by Lucinda Ballard, musical director Joseph Littau, lighting by Peggy Clark, musical arrangements and orchestrations by Mr. Weill.