# Matthias Keller

> German-American bandmaster and violinist

**Wikidata**: [Q20735853](https://www.wikidata.org/wiki/Q20735853)  
**Source**: https://4ort.xyz/entity/matthias-keller-q20735853


## References

1. hymnary.org
2. Carnegie Hall linked open data
3. Library of Congress Authorities
4. Faceted Application of Subject Terminology