[edit] Categorization

1. Top-level categories, such as Category:Songs and Category:Guitarists, should not be populated. (Their category pages can be marked with the {{catdiffuse}} template.) Specific subcategories should be used such as Category:Jazz guitarists.
2. Articles should not generally be in both a category and a subcategory of it. For example, do not put someone in both Category:Canadian musicians and Category:Canadian music, because the first is a subcategory of the latter. (For exceptions to this rule see SUBCAT.)