Well, this is an interesting one! A possible discovery of what might be one of Hitler's record collections in a summer home attic in Russia, by the daughter of an aging Russian ex-Military Intelligence officer from WWII.
According to an article in Der Spiegel magazine:
"...a Moscow attic has yielded a more complex picture of the Führer's
musical taste. Nearly 100 records suggest Hitler also listened to
Russian and Jewish musicians declared "subhuman" by the Nazis..."
Read the article here:
More info here on the NewYorkTimes.com (from 2007):
And more here on TheRestIsNoise.com: