IF you are board you can always help me find entries in wikidata that are missing links to musicbrainz.
See some of the queries in:
Add the musicbrainz artist id to wikidata as well as add the wikidata link to the musicbrainz entry.
I would also recommend using greasemonkey / tampermonkey and the following script to help adding more data sourced from wikidata.
https://greasyfork.org/en/scripts/16559-musicbrainz-edit-create-entity-or-fill-data-from-wikipedia-wikidata-viaf-isni