Fiddler's refrain (2,1,4,1,4,3)
I believe the answer is:
if i were a rich man
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fiddler's refrain</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for if i were a rich man that I've seen before include "song" , "some singing from The Roof" .)