Question: Frank Mullings filled the title roll in the stage performance of which opera based on a play by Shakespeare?
Sentence (from "Frank Mullings"): Blessed with a strong stage presence and a voice that provoked varying reactions from critics, his repertoire included such taxing dramatic parts as Tristan in "Tristan und Isolde", Radames in "Aida", the title role in "Otello", and Canio in "Pagliacci."
Relevant evidence: Yes