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 (Stravinsky) shipping all the compositions for publication. All the compositions were published later that same year, and this set was premiered in Paris on February 9, 1918. A typical performance of the compositions should last approximately five to six minutes. The movement list is as follows: As with his other twin set, "Three Easy Pieces", these five pieces have been acknowledged by scholar and fellow musicians as Gebrauchsmusik, that is, music that was not initially thought to be performed, but which serves one purpose. In this case, both compositions were meant to be used as educational tools for Stravinsky's children. Here,