What Monteverdi ballet was first performed in Lombardy, Italy? 
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. Mantua: Mantua (Italian: "Mantova" ] ; Emilian and Latin: "Mantua") is a city and commune in Lombardy, Italy, and capital of the province of the same name.
i don't know