Although she still avidly courts great performers, her thinking begins with composers, ideas, trends, theatrical concepts.

The group was founded in 1959 by R. G. Davis as a medium of expression of his divergent theatrical concepts.

Ms. Michelson is brilliant at theatrical concepts and reinventions of the expected dance-performance ritual.

In the 1990's, Chrysler's theatrical concept car introductions were the most-awaited events at auto shows.

Mr. Tan seems more interested in high theatrical concept than in musical consistency.

("What a clever theatrical concept," one woman recalls thinking.)

His achievement in "Company" (1970) was to brilliantly integrate the evocative songs into a theatrical concept.

Glory is largely a theatrical concept.

The same might be said of theatrical concepts.

For Ms. Meehan, the stage seems less an artificial theatrical concept than simply a place where dance and music grow in the moment.