# Ronald Ulen

> American musician and opera singer

**Wikidata**: [Q2165761](https://www.wikidata.org/wiki/Q2165761)  
**Source**: https://4ort.xyz/entity/ronald-ulen


## References

1. [Source](https://www.music.txstate.edu/info/Our-People/bios/ulen.html)
2. [Source](https://de.wikipedia.org/wiki/Ronald_Ulen)