And again: "Unfortunately, this UMG-music-content is not available in Germany because GEMA has not granted the respective music publishing rights." Good to have a proxy around.
Their policy (verbatim):
"Whoever wants to playback or perform music in public in Germany will become, as a rule by doing this, a customer of GEMA."
Translation: "We don't give a damn about you being the owner of your creations or if you want to use non-restrictive licenses (CC for instance), you'll give us money whether you like it or not"