Musical set in Argentina (5)
I believe the answer is:
evita
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">musical set in argentina</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 evita that I've seen before include "Juan Peron's wife" , "Nineteen Dn musical" , "Musical based on Argentine leader" , "Well-known musical" , "Stage musical" .)