# Tropary

> books of tropes, which are introductions to liturgical chants or interpolations or elaborations to the text of the Catholic Mass; discontinued when the Roman Missal was revised under Pius V (1566-1572)

**Wikidata**: [Q19941906](https://www.wikidata.org/wiki/Q19941906)  
**Source**: https://4ort.xyz/entity/tropary