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.

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.