What Monteverdi ballet was first performed in Lombardy, Italy? 
Il ballo delle ingrate: Il ballo delle ingrate ("The Ballet of the Ungrateful Ladies") is a semi-dramatic ballet by the Italian composer Claudio Monteverdi set to a libretto by Ottavio Rinuccini. Il ballo delle ingrate:  It was first performed in Mantua on Wednesday, 4 June 1608 as part of the wedding celebrations for Francesco Gonzaga (the son of Monteverdri's patron Duke Vincenzo of Mantua) and Margaret of Savoy.
i don't know