Vocalist (6)
I believe the answer is:
singer
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">vocalist</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for singer that I've seen before include "Coventry car firm" , "Song performer" , "choirboy?" , "Member of a choir" , "inventor who got everything sewn up?" .)