Margreet Honig – Der freie Ton 1970

Margreet Honig – Der freie Ton 1970 -

• Titolo: Margreet Honig – Der freie Ton
• Genere: Documentario
• Nazione:
• Studio:
• Cast: Margreet Honig, Hans Adolfsen, Magdalena Kožená, Rafael Oliveira Gonçalves, Eszter Gyüdi, Gerben van der Werf
• Equipaggio: Stefan Haupt (Director), Stefan Haupt (Writer), Stefan Haupt (Producer), Patrick Lindenmaier (Director of Photography), Giancarlo Moos (Director of Photography), Christof Schertenleib (Editor)
• Parola chiave: singing lessons, vocal coach