Ellington contemporary
I believe the answer is:
basie
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ellington contemporary</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for basie that I've seen before include "Bandleader Count" , "Band leader" , "Count ___ , US jazz pianist, d. 1984" , "Jazz musician" , "jazz great" .)