In unison (8)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">in unison</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 together that I've seen before include "Got there (anag.)" , "In combination" , "in concert" , "in league" , "Concertedly" .)