Dance in triple time (5)
I believe the answer is:
waltz
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">dance in triple time</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 waltz that I've seen before include "Ballroom dance, originally from Germany" , "Dance in 3/4 time" , "Three-time dance" , "Dance in three-four time" , "Last dance?" .)