This category falls within the scope of WikiProject Opera, a group writing and editing Wikipedia articles on operas, opera terminology, opera composers and librettists, singers, designers, directors and managers, companies and houses, publications and recordings. The project discussion page is a place to talk about issues and exchange ideas. New members are welcome!OperaWikipedia:WikiProject OperaTemplate:WikiProject OperaOpera articles
Category:20th-century Estonian opera singers is part of WikiProject Estonia, a project to maintain and expand Estonia-related subjects on Wikipedia. If you would like to participate, you can edit the article attached to this page, or visit the project page, where you can join the project and/or contribute to the discussion.EstoniaWikipedia:WikiProject EstoniaTemplate:WikiProject EstoniaEstonia articles
This category is within the scope of WikiProject Years, a collaborative effort to improve the coverage of Years on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.YearsWikipedia:WikiProject YearsTemplate:WikiProject YearsYears articles
