Deep-voiced male singer (4)
I believe the answer is:
bass
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">deep-voiced male singer</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 bass that I've seen before include "Low-pitched; a fish" , "A fish, or the lowest pitch in music" , "Deep-voiced male singer" , "Performer" , "Low singing voice" .)