Genre: Dokumenter
Bintang Aktor: Margreet Honig, Hans Adolfsen, Magdalena Kožená, Rafael Oliveira Gonçalves, Eszter Gyüdi, Gerben van der Werf
Crew: Giancarlo Moos (Director of Photography), Stefan Haupt (Writer), Patrick Lindenmaier (Director of Photography), Christof Schertenleib (Editor), Stefan Haupt (Producer), Stefan Haupt (Director)
Negara:
Bahasa: English, Deutsch
Studio:
Runtime: 61 menit
Kualitas: HD
Rilis: Jan 01, 1970
IMDb: 10
Kata kunci:singing lessons, vocal coach
