The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
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- ' .. error category .. ' (1 member)
- 1989 (11 members)
- 1989 Singles (4 members)
- 1989 merchandise (7 members)
- 1989 singles (9 members)
- 1989 songs (17 members)
- 2006 singles (1 member)
- 2006 songs (1 member)
- 2007 singles (0 members)
- 2007 songs (1 member)
- 2008 singles (1 member)
- 2008 songs (1 member)
- 2009 singles (2 members)
- 2009 songs (1 member)
- 2010 singles (1 member)
- 2010 songs (6 members)
- 2010 soundtracks (1 member)
- 2011 concert tours (2 members)
- 2011 live albums (1 member)
- 2011 singles (1 member)
- 2012 singles (1 member)
- 2015 songs (4 members)
- 2016 songs (1 member)
- 2017 singles (0 members)
- 2019 singles (4 members)
- 2019 songs (7 members)
- 2020 singles (3 members)
- 2020 songs (3 members)
- 2021 Images (1 member)
- Abc's (1 member)
- Achievements (1 member)
- Advannced (1 member)
- Age error (1 member)
- Album Cover Art (1 member)
- Album Cover Templates (12 members)
- Album cover templates (3 members)
- Album track list templates (1 member)
- Albums (25 members)
- Albums produced by Nathan Chapman (2 members)
- All articles to be expanded (2 members)
- All articles with dead external links (1 member)
- All articles with unsourced statements (2 members)
- All non-free media (1 member)
- All redirect templates (1 member)
- American musicians (2 members)
- American pop singers templates (6 members)
- Article management templates (1 member)
- Article message boxes (3 members)
- Article stubs (1 member)