“Dance's forward progression is contingent upon the way it redefined and “upped” its virtuosic ante, and because dance tends to define virtuosity in terms of technical accomplishment, this linking of ultra-fast footwork lends a special purchase on modernity” (Copeland 2004, 84).
Copeland, Roger. 2004. Merce Cunningham the Modernizing of Modern Dance. New York: Routledge.