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 movie's soundtrack. After a spot opened up in Fonda and Hopper's "Easy Rider" (1969), it led to his first big acting break. Nicholson played hard-drinking lawyer George Hanson, for which he received his first Oscar nomination. The film cost only $400,000 to make, and became a blockbuster, grossing $40 million. Biographer John Parker states that Nicholson's interpretation of his role placed him in the company of earlier "anti-hero" actors, such as James Cagney and Humphrey Bogart, while promoting him into an "overnight number-one hero of the counter-culture movement". The part was a lucky break for Nicholson—the role had been written