Question: Sky and Sand is a song by German electronic music producers Paul Kalkbrenner and Fritz Kalkbrenner, the song was originally produced as the title song of which 2008 German tragicomedy directed by Hannes Stöhr?
Sentence (from "Berlin Calling"): The movie depicts the events following DJ and producer Ickarus's (Paul Kalkbrenner) institutionalization for drug abuse.
Relevant evidence: No