Decoder (6.2)

Movie · 1984 · 1 h 27 min · Horror, Mystery, Science Fiction

F.M. discovers that different sonic frequencies induce different patterns of behaviour in listeners, first in his own studio but later in the local "H-Burger" restaurant where the passive muzak appears to be wiping people's emotions.

Directed by: Muscha

Starring FM Einheit, William Rice, Christiane Felscherinow, William S. Burroughs, Genesis P-Orridge, Ralf Richter, Matthias Fuchs, Alexander Hacke, Mona Mur

We don't know where to watch it in the US.