Slowly and gracefully, in music (6)
I believe the answer is:
adagio
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">slowly and gracefully in music</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for adagio that I've seen before include "moving slowly" , "In slow tempo" , "leisurely movement" , "' - - for Strings' (Barber)" , "Slow movement in musical work" .)