sampsyo/beets — pull request #1075 by Kraymer (2014-11-08 22:26:26+00:00)
Title: fetchart: add 'sources' option

fix #1066

Fasten cover search by enabling engines selection and prioritisation.
It probably needs some more doc (to introduce the `*` wildcard) but I'm too sleepy right now for that. :full_moon_with_face: