# Isoisän olkihattu

> original song written and composed by Tapio Rautavaara

**Wikidata**: [Q4041646](https://www.wikidata.org/wiki/Q4041646)  
**Source**: https://4ort.xyz/entity/isois-n-olkihattu


## References

1. [Source](http://iswcnet.cisac.org/)