The fuzzy plugin provides a prefixed query that searches your library using fuzzy pattern matching. This can be useful if you want to find a track with complicated characters in the title.
First, enable the plugin named fuzzy (see Using Plugins). You’ll then be able to use the ~ prefix to use fuzzy matching:
$ beet ls '~Vareoldur'
Sigur Rós - Valtari - Varðeldur
To configure the plugin, make a fuzzy: section in your configuration file. The available options are: