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For additional Quod Libet plugins:

1. Fetch plugins archive from project download page:
   https://bitbucket.org/lazka/quodlibet-files/raw/default/releases/quodlibet-plugins-2.6.3.tar.gz

2. Extract archive into plugin dir in a user's home directory
   mkdir -p ~/.quodlibet/plugins/
   cd ~/.quodlibet/plugins/
   tar xf path/to/downloaded/quodlibet-plugins-2.6.3.tar.gz
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