Musical lament (5)
I believe the answer is:
dirge
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">musical lament</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for dirge that I've seen before include "A depressing number" , "Funeral music" , "Melancholy song" , "Funereal song" , "Lamentation" .)