On Merce's passinghttp://www.thirteen.org/sundayarts/blog/performance/merce/735/
What was less serendipitous was his choreography—rigorous, academic, and technically very difficult. While he will always be known as a pioneer of the 20th century avant-garde, his technique could be as structured as ballet, and probably more challenging for most accomplished dancers because it is not a universal code the way ballet is. If you watch some of the recently-produced Mondays with Merce web series, you can see how tough the exercise combinations can be, even for company members. And make no mistake—they specialize in modern, but these dancers are among the world’s finest.