Jazz ensemble (5)
I believe the answer is:
combo
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">jazz ensemble</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 combo that I've seen before include "group of players" , "Small pop group" , "Small jazz group" , "Music group" , "musicians" .)