A fact from Hochschule für Musik Mainz appeared on Wikipedia's Main Page in the Did you know column on 3 June 2017 (check views). The text of the entry was as follows:
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@Gerda Arendt: Thanks for the work you did on this article. There should be enough independent proof of existence now that it would take a conspiracy theorist to still doubt it. The Landesmusikrat sites are good too.
I must admit that I am not terribly fond of a few of the other sources (which I hit upon in my search too):
I am not quite sure what to make of http://musik-studium.info . The name makes it sound kind of official, but the Impressum sounds more like it's a private web site.
@Gerda Arendt: The article looks well referenced now, and in fact I don't think it is in any danger of being deleted any more.
However, a closer look reveals that many of those references really are no independent sources as Wikipedia requires. Those can be challenged and removed at any time. Aside from those problems mentioned above, this concerns all Uni Mainz references (currently ref. #4, #5, #7). If those sites mentioned above are also challenged (currently ref. #6 plus several external links), that leaves a lot of unsourced content. It would be good to find reliable sources for that. --93.212.233.204 (talk) 06:40, 3 May 2017 (UTC)[reply]