introito
Introito is a term with multiple meanings depending on the context. In music, particularly in the Roman Catholic liturgy, it refers to the opening piece sung or played at the beginning of a Mass. Historically, this was a chant sung by the choir or clergy as the priest entered the sanctuary. The introito served to unify the congregation and prepare them for the service. The specific text and music for the introito varied depending on the liturgical calendar, often reflecting the theme of the day's readings or feast.
In a broader sense, introito can also refer to an entrance or a prelude in a more