The cold, damp air could not chill the spirits of the crowd at Wolf Trap last night as Rosemary Clooney, Rosemarie, Helen O'Connell and Margaret Whiting presented and evening of cools songs and warm nostalgia.

The show, which was billed as "4 Girls 4," was a sparking comedy and musical revue that revived the feel and flair of the Big Band era of the '40s and '50s. Many in attendance snapped their fingers and sang along with the familiar songs.

Margaret Whiting opened the show with a medley of Big Band numbers while Helen O'connell featured severals songs that she once performed with Jimmy Dorsey. Rosemarie, who was a radio star of age 6, provided a set of saucy jokes and anecdotes about her stint on the "Hollywood Squares" game show. Rosemary Clooney sang a parade of her hits such as "C'mon To My House" and was then joined on stage by her cohorts for a rousing finale.

Each of the "girls" made joking references to their age, yet made no pretense about their love of performing and renewing their acquaintance with old fans. Speaking of the '40s, Margaret Whiting said, "They were great songs, great years and great times," and no one in the crowd seemed to disagree.