Hurdy-gurdy strings are purely generated electronically by the keys and also in combination with the rotation of the wheel. The signals for drone strings and the snares are generated by the crank movements of the wheel. The data exchange of the musical information between the hurdy-gurdy and connected computers, samplers or synthesizers are managed via MIDI interface. Hurdy-gurdy The hurdy-gurdy is a stringed instrument that produces sound by a hand crank-turned, rosined wheel rubbing against the strings. The wheel functions much like a violin bow, and single notes played on the instrument sound similar to those of a violin. Melodies are
Hurdy-gurdy to Vivaldi. At this time the most common style of hurdy-gurdy developed, the six-string "vielle à roue". This instrument has two melody strings and four drones. The drone strings are tuned so that by turning them on or off, the instrument can be played in multiple keys (e.g., C and G, or G and D). During this time the hurdy-gurdy also spread further to Central Europe, where further variations developed in western Slavic countries, German-speaking areas and Hungary (see the list of types below for more information on them). Most types of hurdy-gurdy were essentially extinct by the early twentieth