Significant ways in which the moving picture performance differs from live performance, with comparison of two videotaped versions of Balanchine's Apollo as examples of the discrepancy between recordings. The two versions are those on the PBS Great performances telecast, Stravinsky and Balanchine - genius has a birthday, directed by Emile Ardolino (1982), and the Dance in America telecast, Baryshnikov dances Balanchine with American Ballet Theatre, directed by Thomas Grimm (1988).