Religion has shaped many musical settings in Mexico, from liturgical and devotional repertories to patron-saint festivals and community ceremonies. Songs, bells, wind bands, organs, violins, and percussion may serve different purposes according to the tradition and occasion. The presence of a religious element does not make Catholic, Indigenous, or other spiritual practices interchangeable. Community accounts, local calendars, and the circumstances of a performance are essential for understanding a particular recording. This category identifies materials explicitly connected with religious life while distinguishing their musical features from the beliefs, institutions, and social relationships that give them meaning.