so she can have the advantage of speaking 2 foreign languages when she grows up
If you're looking for music for children, play her Rolf Zuckowski. He made some of the traditional Kid Songs everyone knows. When I was a Kid I was really into Pirates so I listened to things like "Wir lagen vor Madagaskar" and "Kaperfahrt" by "Die Ärzte". They are a Punk Band though so not all of their Songs might be for Children.
Most famous german children show is "Sendung mit der Maus". You will probably also find all astrid lindgren movies or audiobooks if you search their german name. Use wikipedia or google to translate the names. For pirated movie streaming use kinox.to if your daughter wants frozen or some other stuff in german youtube.com/results?search_query=sendung mit der maus
ppl in Eastern Europe are obsessed with raising their kids as Einsteins