<P> Modern productions sometimes include both the original aria for Don Ottavio, "Il mio tesoro", and its replacement from the first production in Vienna that was crafted to suit the capabilities of the tenor Francesco Morella, "Dalla sua pace". Elvira's "In quali eccessi, o Numi...Mi tradi per l'alma ingrata" is usually retained as well . The duet "Per queste tue manine" and the whole accompanying scene involving Zerlina and Leporello from the Viennese version is almost never included . </P> <P> In modern - day productions, Masetto and the Commendatore are typically played by different singers (unless limited by such things as finance or rehearsal time and space), although the same singer played both roles in both the Prague and Vienna premieres, and the final scene's chorus of demons after the Commendatore's exit gives the singer time for a costume change before entering as Masetto for the sextet . </P> <Table> <Tr> <Th> Role </Th> <Th> Voice type </Th> <Th> Prague premiere cast, 29 October 1787 Conductor: Wolfgang Amadeus Mozart </Th> <Th> Vienna premiere cast, 7 May 1788 Conductor: Wolfgang Amadeus Mozart </Th> </Tr> <Tr> <Td> Don Giovanni, a young, extremely licentious nobleman </Td> <Td> baritone </Td> <Td> Luigi Bassi </Td> <Td> Francesco Albertarelli </Td> </Tr> <Tr> <Td> Leporello, Don Giovanni's servant </Td> <Td> bass </Td> <Td> Felice Ponziani </Td> <Td> Francesco Benucci </Td> </Tr> <Tr> <Td> Il Commendatore (Don Pedro) </Td> <Td> bass </Td> <Td> Giuseppe Lolli </Td> <Td> Francesco Bussani </Td> </Tr> <Tr> <Td> Donna Anna, his daughter </Td> <Td> soprano </Td> <Td> Teresa Saporiti </Td> <Td> Aloysia Weber </Td> </Tr> <Tr> <Td> Don Ottavio, her fiancé </Td> <Td> tenor </Td> <Td> Antonio Baglioni </Td> <Td> Francesco Morella </Td> </Tr> <Tr> <Td> Donna Elvira, a lady of Burgos abandoned by Don Giovanni </Td> <Td> soprano </Td> <Td> Katherina Micelli </Td> <Td> Caterina Cavalieri </Td> </Tr> <Tr> <Td> Masetto, a peasant </Td> <Td> bass </Td> <Td> Giuseppe Lolli </Td> <Td> Francesco Bussani </Td> </Tr> <Tr> <Td> Zerlina, Masetto's fiancée </Td> <Td> soprano </Td> <Td> Caterina Bondini </Td> <Td> Luisa Mombelli </Td> </Tr> <Tr> <Td_colspan="4"> Chorus: peasants, servants, young ladies, musicians, demons </Td> </Tr> </Table> <Tr> <Th> Role </Th> <Th> Voice type </Th> <Th> Prague premiere cast, 29 October 1787 Conductor: Wolfgang Amadeus Mozart </Th> <Th> Vienna premiere cast, 7 May 1788 Conductor: Wolfgang Amadeus Mozart </Th> </Tr>

Which voice part sings the role of don giovanni in mozart’s opera
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