Ein schöner Tag (English: A beautiful day) is the first single from the 2001 Schiller gold album Weltreise with vocals by German singer Isgaard and spoken word passages by German actress and voice actress Franziska Pigulla (* 6 May 1965), who became famous in the German-speaking countries as a narrator of countless documentaries and as the voice of FBI Special Agent Dana Scully from the X-Files.
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The vocals by Isgaard are a sample of the theme "Un bel di vedremo" from the opera "Madame Butterfly" by Giacomo Puccini.