Sixteenth note (10)
I believe the answer is:
semiquaver
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sixteenth note</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for semiquaver that I've seen before include "Musical note" , "A bit of music" , "Quarter of a crotchet" , "Very little music" .)