In my thesis I have decided to focus on the two most famous operas buffa by Wolfgang Amadeus Mozart. First, it is the opera Le nozze di Figaro (The Marriage of Figaro) and later the opera Cosí fan tutte (Thus Do They All). In my text I mainly concentrate on the interpretation approach to the title characters of Susanna and Despina, compared in the three outstanding opera singers and concerning my personal experience with these roles. To depict overall Mozart´s profile as an opera wizard I include his complete opera work in the first chapter. To by analysed in detail I have selected my favourite scene of Susanna, Act 4, Giunse al fin momento (Finally, there comes the moment) and Deh, vieni, non tartar, o gioia bella (Oh, come, don´t delay, j...