Maria Callas Tosca 1964. Word Search Puzzle Solver. Maria Callas Tosca 1964 word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. The documentary shows Maria Callas playing “Tosca” at the Royal Opera House London in 1964. The event gained proportion due to the expectation of her return to the stage. This includes identifying and searching for words that are related to : Documentary, Maria Callas, Music .