Dirck Strijcker, the son of the Dutch consul in Venice, brought him to Amsterdam, where an opera was founded.
[2] In 1681, the booklet of Helena rapita da Paride appeared, composed by Domenico Freschi, for which Fiocco arranged the music.
[3] The same year, he composed a prologue for Alceste by Pietro Andrea Ziani sung in Hanover in 1682, and for the Lully operas Amadis, Acis et Galathée, Armide and Thésée.
In the summer of 1682, he went to Brussels to enter the service of Eugen Alexander Franz, Count of Thurn and Taxis.
[4] Named choirmaster of the church Notre-Dame des Victoires, Fiocco composed religious works, including masses and motets.