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
Five Easy Pieces Touch Me", and "When There's a Fire in Your Heart". According to "Variety", the film earned $1.2 million in North American in 1970. By 1976 the film had earned $8.9 million in North America. The film opened to positive reviews. It holds an 87% "Certified Fresh" rating on online review aggregator Rotten Tomatoes, based on 45 reviews, with an average rating of 8.4/10. The critics' consensus states: "An important touchstone of the New Hollywood era, "Five Easy Pieces" is a haunting portrait of alienation that features one of Jack Nicholson's greatest performances." Roger Ebert gave the film four stars out