# O Ewigkeit, du Donnerwort, BWV 20

> church cantata by Johann Sebastian Bach

**Wikidata**: [Q288212](https://www.wikidata.org/wiki/Q288212)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/O_Ewigkeit,_du_Donnerwort,_BWV_20)  
**Source**: https://4ort.xyz/entity/o-ewigkeit-du-donnerwort-bwv-20


## References

1. Bach digital
2. MusicBrainz
3. list of Bach cantatas
4. Freebase Data Dumps. 2013
5. International Music Score Library Project