# Martti Wallén

> Finnish singer and opera singer (1948-2024)

**Wikidata**: [Q11881369](https://www.wikidata.org/wiki/Q11881369)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Martti_Wallén)  
**Source**: https://4ort.xyz/entity/martti-wall-n


## References

1. Freebase Data Dumps
2. [Source](https://www.diariodemallorca.es/part-forana/2024/07/01/fallece-sineu-cantante-opera-martti-104717964.html)
3. [BnF authorities](https://catalogue.bnf.fr/ark:/12148/cb14002431k)
4. [Source](https://hymy.fi/terveys-hymy/ketodieettia-ja-ravintolisia-ei-vaivoja-ei-laakitysta/)
5. general catalog of BnF
6. MusicBrainz
7. Virtual International Authority File
8. Česko-Slovenská filmová databáze