You may see slight "keystoning" (the screen being slightly angled), washed-out blacks, or occasional shadows of people moving in the theater.

This confirms the audio was taken directly from a "line" source (like the aforementioned theater seats) rather than being recorded through the air by a microphone. German: The audio track is in the German language.

Because this is a release, the quality will be significantly lower than an official digital or Blu-ray release: