CRAZY EDDIE'S.('Movin' Out,' Richard Rodgers Theatre, New York, New York)(Theater Review)

Throughout her career, which is now almost forty years long, Twyla Tharp has been thinking about America, and also about teen-agers, who, in their recalcitrance and idealism, and in their gum-snapping cool, seem to be, for her, the primary repositories of the American soul. Ever since the seventies, she has been choreographing dances to pop music, but not to the exclusion of "art" music. She combined the two, or switched back and forth between them, just as, in her choreography, she mixed high styles--modern dance and classical ballet--with various sock-hop forms.

In this fascination with the high-low formula, Tharp was true to her generation-- she started out in ...