(Margreet Honig – Der freie Ton)

Content: Margreet Honig, eighty-four years old, is an internationally sought-after Dutch singing teacher. She teaches all over Europe and works with world-famous singers. She has developed her very own way of working.

Countries:

Switzerland

Genres:

Documentary

Runtime:

61 minutes

Year:

2023

Directors:

Stefan Haupt

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Production companies:

SRF,

Fontana Film

Actors:

Herself

Himself

Herself

Himself

Herself

Crews:

Director of Photography

Writer

Director of Photography

Editor

Producer