Ancient Greek instrument (4)
I believe the answer is:
lyre
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ancient greek instrument</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for lyre that I've seen before include "Ancient Greek stringed instrument" , "Sort of harp" , "Music-maker" , "Ancient Greece harp" , "used to produce music" .)