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
The King of Marvin Gardens which included the Monkees film "Head" (1968) and "Five Easy Pieces" (1970), which established both men as major figures in Hollywood. Dern and Nicholson had previously worked together in "Psych-Out" (1968) and "Rebel Rousers" (1970). Nicholson and Scatman Crothers subsequently co-starred in Miloš Forman's "One Flew Over the Cuckoo's Nest" (1975) and Stanley Kubrick's "The Shining" (1980). Co-star Ellen Burstyn had previously worked in the TV series "Gunsmoke", in which Dern had also appeared, and would soon achieve worldwide fame with her starring role in William Friedkin's "The Exorcist" (1973). The film was one of the few screen appearances made