Opera by Puccini (5)
I believe the answer is:
tosca
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">opera by puccini</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 tosca that I've seen before include "musical work" , "role for diva" , "Opera - a Scot (anag)" , "Coats off for Puccini's opera" , "Puccini's Rome opera" .)