The New York City Ballet writes:
Balanchine’s distillation of Swan Lake into a single-act ballet was inspired by Lev Ivanov’s choreography for the original lakeside second act, including the luminous pas de deux between the mysterious swan at the center of the plot and her smitten swain. The ballet is also notable for its flock of black swans, a striking departure from the traditional white. Composer Mussorgsky’s most famous piano composition, Pictures at an Exhibition, became the basis for Alexei Ratmansky’s fourth ballet for ...