# Ivan Bertash
**Wikidata**: [Q99677078](https://www.wikidata.org/wiki/Q99677078)  
**Source**: https://4ort.xyz/entity/ivan-bertash


## References

1. [Source](https://culturusich.ru/events/117)
2. [Source](https://www.pokrov.lt/archives/14993)
3. [Source](https://vk.com/bratsche)
4. Montreux Jazz Festival Database