Band's assistant (6)
I believe the answer is:
roadie
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">band's assistant</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for roadie that I've seen before include "Touring pop group's equipment handler" , "Touring band's helper" , "Touring band's supporter" , "One handles equipment for travelling entertainers" , "Band crew member" .)