# Gustaf Grefberg

> Swedish musician

**Wikidata**: [Q326148](https://www.wikidata.org/wiki/Q326148)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Gustaf_Grefberg)  
**Source**: https://4ort.xyz/entity/gustaf-grefberg


## References

1. Sveriges befolkning 2000
2. Virtual International Authority File
3. general catalog of BnF
4. MusicBrainz
5. Freebase Data Dumps. 2013
6. YouTube API