# ancient mode

> System of pitch organization in Gregorian chant

**Wikidata**: [Q1058106](https://www.wikidata.org/wiki/Q1058106)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Gregorian_mode)  
**Source**: https://4ort.xyz/entity/ancient-mode


## References

1. Freebase Data Dumps. 2013
2. YSO-Wikidata mapping project