Mefistofele is an opera in four acts, written by the Italian composer Arrigo Boito and first performed in 1868. The opera is based on Goethe's Faust, a classic tale of a man who sells his soul to the devil in exchange for knowledge and power. In Mefistofele, the devil takes on the form of the title character and tempts Faust throughout the opera. The story is set in various locations, including Faust's study, a carnival in Leipzig, and the imperial...