Three Easy Pieces (Stravinsky) is similar to them in the sense that they were composed for his little children to play with him, Stravinsky decided to write pieces for four hands to teach them how to play the piano. The set was composed in Clarens, in 1914 and 1915 and was presented and first performed by José Iturbi, in April 22, 1918. It was eventually published in 1917. The "Three Easy Pieces" take approximately three minutes to perform. The movement list is as follows: Even though they are titled as "easy", only the left part is easy, the right hand sustaining the whole burden
Electronic musical instrument well as haptic feedback, allowing the development of novel interaction metaphors beyond manipulation such as prehension. 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