Serve the liturgy in such a way as to facilitate the active participation of the assembly under the criteria that

govern the creation of choirs of the Instruction Musicam Sacram (n°19).

Apply the Liturgical Hymnal of the CNBB, Hymnal of

Archdiocese of Campinas/SP, Repertoire of Popular Piety. Study and perform pieces of Gregorian Chant,

with emphasis on Graduale Simplex (Portuguese translation version), and complemented with

other pieces of sacred polyphony.