Egg-shaped instrument (7)
I believe the answer is:
ocarina
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">egg-shaped instrument</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 ocarina that I've seen before include "Primitive wind instrument" , "Terracotta wind instrument" , "Egg-shaped wind instrument with finger holes" , "music-maker" , "Old wind instrument" .)