1. In liturgical contexts, the fixed parts of the Mass that remain the same for every celebration, as opposed to the Proper (which varies by the liturgical day)
The music ordinaria includes the Kyrie, Gloria, Credo, Sanctus, and Agnus Dei
A música ordinária inclui o Kyrie, Glória, Credo, Sanctus e Agnus Dei
2. Plain or simple music; unadorned musical composition
He preferred música ordinária over complex symphonic works
Ele preferia música ordinária em vez de obras sinfônicas complexas