Symphony (8)
(Other definitions for sinfonia that I've seen before include "Without limit" , "Orchestral piece" , "Small orchestra" , "Composition" , "Symphonic music - as if in no (anag)" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">symphony</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for orchestra that I've seen before include "Brass, woodwind, strings and percussion" , "those who provide the music" , "Company of musicians" , "Musicians, maybe in theatre" , "Big group of musicians playing various instruments" .)