TheAudioDB

Provides: Banners, Biographies, Fan art, Logos, Thumbnails, and Websites

Media tags required: artist or MusicBrainz Artist ID

TheAudioDB is a community project to provide high quality artwork and other metadata for music. If MusicBrainz artist ids are available, it will use that information to increase accuracy. You will need a TheAudioDB API Key in order to use this service.