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.
The Blind Leading the Blind contribute to the composition's feeling of motion. Art historian Gustav Glück noted incongruities in that the beggars are well-dressed and carry staves and full purses. Academics Kenneth C. Lindsay and Bernard Huppé suggest Bruegel may have implied that the blind men represent false priests who ignored Christ's admonitions not to carry gold, purses, or staves; the leader carries a hurdy-gurdy, a musical instrument associated with beggars in Bruegel's time; this perhaps implies a false minstrel, one who sings praises not for God. The church in the background, identified as the Sint-Anna Church at Dilbeek in modern Belgium, has sparked much