sentences:  In February 2007 and again in January/February 2008, Roger Tully taught master classes at the Accademia nazionale di Danza at Rome.The essential difference between what Roger Tully teaches, and what is more generally seen today, is defined in a statement by one of his leading students, thus,
  
  “The first idea was that all movement takes place through the play of oppositions around a central axis in the body, and that it is essential this axis be firmly established and maintained throughout one’s work [which he explains and illustrates] through the close study of major works of sculpture and painting.