Ten Easy Pieces (Bartók) Ten Easy Pieces (Bartók) Ten Easy Pieces, Sz. 39, BB 51 () is a collection of short pieces for piano by Hungarian composer Béla Bartók. It was composed in 1908. Though initially it was conceived as "Eleven Piano Recital Pieces", one of the pieces was dropped and used as a bagatelle in Bartók's Fourteen Bagatelles. However, he was required by a contractual obligation with his publisher to write eleven pieces, so he wrote a dedication which is not numbered but serves to complement the set. For this reason, this set and his set of bagatelles are related, both in their
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