Mani Matter - Warum syt dir so truurig?
- Afọ: 2002
- Mba: Switzerland
- Dị: Documentary
- .Lọ nka: Catpics Coproductions, Schweizer Fernsehen
- Isiokwu: switzerland, poet, biography, folk singer
- Onyeisi: Friedrich Kappeler
- Nkedo: Mani Matter, Franz Hohler, Stephan Eicher, Emil Steinberger, Polo Hofer, Dodo Hug