Electronic musical instrument Electronic musical instrument An electronic musical instrument is a musical instrument that produces sound using electronic circuitry. Such an instrument sounds by outputting an electrical, electronic or digital audio signal that ultimately is plugged into a power amplifier which drives a loudspeaker, creating the sound heard by the performer and listener. An electronic instrument might include a user interface for controlling its sound, often by adjusting the pitch, frequency, or duration of each note. A common user interface is the musical keyboard, which functions similarly to the keyboard on an acoustic piano, except that with an electronic keyboard, the keyboard
Jack Nicholson the past, like Spencer Tracy and Jimmy Cagney". On the set, Nicholson always appeared in character, and if Kubrick felt confident that he knew his lines well enough, he encouraged him to improvise and go beyond the script. For example, Nicholson improvised his now famous "Here's Johnny!" line, along with the scene in which he's sitting at the typewriter and unleashes his anger upon his wife after she discovers he has gone insane when she looks at his writing ("all work and no play makes Jack a dull boy" typed endlessly). There were also extensive takes of scenes, due to