What is associated with: choreographer birgit kolberg based her 1950 ballet miss julie on an 1888 play by this fellow swede?

What is referred to by 'choppers grinders ivories'? Based on the clue 'chopping down trees in moose jaw saskatoon in thi...', what is the answer? Based on the clue 'chopsocko us bow for sonys fantasy wrote daily var...', what is the answer? Based on the clue 'chorea as in choreographer is a condition associat...', what is the answer? What is associated with: choreographer frederick ashton played one of the ugly stepsisters when this ballet debuted in… What is referred to by 'choreographer michel fokine'? Based on the clue 'choreographer of appalachian spring who teamed up ...', what is the answer? Based on the clue 'choreographer rudolf von laban developed a widely ...', what is the answer?