FileCluster search plugin for Firefox allows you to search FileCluster's daily updated lyrics database from within your Firefox browser. The results of your search are sorted by relevance and include software and games results.You get the most relevant software, tweaks and games matching your search string.
In order to install the plugin follow the instructions in the install screen or extract both files from the downloaded archive to your Mozilla Firefox "searchplugins" folder. After that restart your Firefox browser and select the new search engine from the search engines tab (usually located in the top right of your browser).