Prelude (12)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">prelude</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that prelude can be written as overture)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for overture that I've seen before include "used in attempt to seduce?" , "Orchestral piece" , "Introductory music" , "Opera opening" , "Instrumental prelude" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">prelude</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for introduction that I've seen before include "Start" , "Preliminary presentation" , "Foreword" .)