Music group (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">music group</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 combo that I've seen before include "Small (jazz or rock) band" , "Small pop group" , "musicians" , "Music group" , "Small jazz or dance band" .)