Hurdy-gurdy twenty-three different forms, and there is still no standardized design today. The six-stringed French "vielle à roue" is the best known and most common sort. A number of regional forms developed, but outside France the instrument was considered a folk instrument and there were no schools of construction that could have determined a standard form. There are two primary body styles for contemporary instruments: guitar-bodied and lute-backed. Both forms are found in French-speaking areas, while guitar-bodied instruments are the general form elsewhere. The box form of the "simphonia" is also commonly found among players of early music and historical re-enactors.
Music of Switzerland of folk music was the Swiss song Kühreihen, an agricultural Alpine song in the Lydian mode. Traditional instruments included alphorn, hammered dulcimer, fife, hurdy-gurdy, castanets, rebec, bagpipe, cittern and shawm. At the beginning of the 19th century, Swiss folk music was largely performed by ensembles made of itinerant musicians and solo acts using an instrument, with only a few duos. In the 1830s, however, the Swiss military was reorganized, leading to the formation of brass bands that used modern instruments. These instruments, mostly brass or wind, were built much better than those played by itinerants, and musicians brought them back