Question: Which friend of Krzysztof Kieślowski wrote the musical score to the film known in French as "Trois colours"?
Sentence (from "Requiem for my friend (Preisner)"): The album was released in 1998 although some parts of the work must have been ready upon Kieślowski's passing as Preisner asserted in an interview that "the Requiem had accompanied Krzysztof in his last journey".
Relevant evidence: No