American Ballet Theater opened its fall season on a high note: Alexei Ratmansky’s “Piano Concerto No. The program, part of the first New York season created by the company’s artistic director, Susan Jaffe, gradually lost steam. “Petite Mort” (1991) is flimsier than ever. Devon Teuscher’s clean, classical elegance lent the overlong work a boost of grace and energy, but the ballet, created in 1948, is hardly a good time capsule. In a program note, Lander describes his ballet as “an expression of myself, and of my thoughts on dance.

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Persons: Alexei Ratmansky’s “, Mort ”, Jiri Kylian, Harald Lander, Susan Jaffe, Devon Teuscher’s, George Balanchine’s, Frederick Ashton’s “, ”, “, Lander Organizations: Ballet Theater, New, Lincoln Center Locations: New York