Musical piece or movement in slow time (6)
I believe the answer is:
adagio
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">musical piece</span>' is the first definition.<br/ >'<span class="explanation-format__answer">adagio</span>' can be an answer for '<span class="explanation-format__original">piece</span>' <span class="explanation-format__explanation">(adagio is a kind of piece)</span>. I also know that 'musical' relates to this answer.<br/ ><br/ >'<span class="explanation-format__original">movement in slow time</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for adagio that I've seen before include "Slowly (mus.)" , "'Slowly and gracefully, in music (6)'" , "leisurely movement" , "In music, leisurely" , "Slow piece of music" .)