Don Giovanni is an opera in two acts by Wolfgang Amadeus Mozart. It debuted in Prague in 1787. Its based on the legend of Don Juan, a Spanish lothario who was obsessed with the conquest of women. The opera tells the story of Don Giovanni, his man-servant Leporello, Donna Elvira his scorned lover, Donna Anna and Don Ottavio - a young engaged couple, and the Commendatore - Donna Anna's father who is slain by Don Giovanni. Mozart's incredible score paired with a lively libretto by Lorenzo di Ponte make Don Giovanni one of the most performed operas in the world.