Listen to Don Giovanni : Atto primo - Non ti fidar, o misera online. Don Giovanni : Atto primo - Non ti fidar, o misera is an Italian language song and is sung by Orchestra of the Metropolitan Opera House, Karl Böhm, Lisa Della Casa, Eleonore Steber, Cesare Valletti and George London. Don Giovanni : Atto primo - Non ti fidar, o misera, from the album Wolfgang Amadeus Mozart : Don Giovanni (New York 1959), was released in the year 2011. The duration of the song is 4:11. Download Italian songs online from JioSaavn.