Creator of dance routines (13)
I believe the answer is:
choreographer
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">creator of dance routines</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for choreographer that I've seen before include "One skilled in arranging dances" , "One who creates dance routines" , "Isadora Duncan" , "Composer of ballet steps" , "One arranging dance routines" .)