Claim: The opera "Maria" by Polish composer Roman Statkowski (a Harvard University graduate) was performed in various Polish cities between 1919 and 1965.
Evidence: When he deserted the law for a musical career, he studied with Władysław Żeleński in Warsaw and then at the Saint Petersburg Conservatory with Nikolai Soloviev and Anton Rubinstein, graduating at the age of 31 in 1890. It was performed at the Wexford Festival in 2011. Maria is a three-act Polish-language opera, premiered in 1906, by Roman Statkowski on a libretto based on Antoni Malczewski's 1825 epic poem of the same name.