Harp relative (4)
I believe the answer is:
lyre
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">harp relative</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 lyre that I've seen before include "Ancient Greece harp" , "Old instrument, like a harp" , "Ancient harp-like instrument" , "Early harp" , "Old musical instrument with strings in U-shaped frame" .)