The Fiori Musicali are a collection of organ pieces for divine service. Frescobaldi, has in the Fiori on the contrary, collected pieces of diverse character and arranged them according to the order of the Mass.
Missa In Domincis infra annum (Orbis factor)
Missa in Festis duplicibus I (Cunctipotens Genitor Deus)
Missa in Festis B. Mariae Virginis I (Cum jubilo)