Back in Rome, the man was Falsirena in La Catena d'Adone by Domenico Mazzocchi in 1626.
In 1628, Vittori took an unknown role in La Flora, ovvero Il natal de' fiori (Flora, or The Birth of Flowers), an opera composed by Marco da Gagliano and Jacopo Peri to a libretto by Andrea Salvadori.
He also performed at the wedding festivities of Margherita de' Medici to Odoardo Farnese in Parma, probably as Galatea in the intermezzo Mercurio e Marte by Claudio Monteverdi.
In 1637, Vittori sang in Chi Soffre, Speri by Marco Marazzoli and Virgilio Mazzocchi, possibly as Virtu and Alvida.
His final stage appearance was as Angelica in Il palazzo incantato by Luigi Rossi with libretto by Cardinal Rospigliosi, the future Clement IX.