|Archiving status||Partially saved (external links)|
MusicBrainz is a freely licensed, crowd-sourced music database. They make the whole database available as regular dumps (which are mirrored at IA), and host some of their content (particularly album covers) at the Internet Archive.
Archive Team efforts
ArchiveTeam did a scrape of all the URLs linked from MusicBrainz entries on Jan 8–9, 2016. They have been loaded into the Wayback Machine, also the standalone WARC files can be found here.