Electronic musical instrument to different musical scales and keys. The instrument can record a repeating loop of adjustable length, set to any tempo, and new loops of sound can be layered on top of existing ones. This lends itself to electronic dance-music but is more limited for controlled sequences of notes, as the pad on a regular Kaossilator is featureless. The Eigenharp is a large instrument resembling a bassoon, which can be interacted with through big buttons, a drum sequencer and a mouthpiece. The sound processing is done on a separate computer. The XTH Sense is a wearable instrument that uses muscle sounds
Musical instrument among civilizations caused rapid spread and adaptation of most instruments in places far from their origin. By the Middle Ages, instruments from Mesopotamia were in maritime Southeast Asia, and Europeans played instruments from North Africa. Development in the Americas occurred at a slower pace, but cultures of North, Central, and South America shared musical instruments. By 1400, musical instrument development slowed in many areas and was dominated by the Occident. Musical instrument classification is a discipline in its own right, and many systems of classification have been used over the years. Instruments can be classified by their effective range, their