String instrument strings, or play them by rolling the bell of a brass instrument such as a trombone on the array of strings. However, these are relatively rarely used special techniques. Other keyed string instruments, small enough for a strolling musician to play, include the plucked autoharp, the bowed nyckelharpa, and the hurdy-gurdy, which is played by cranking a rosined wheel. Steel-stringed instruments (such as the guitar, bass, violin, etc.) can be played using a magnetic field. An E-Bow is a small hand-held battery-powered device that magnetically excites the strings of an electric string instrument to provide a sustained, singing tone reminiscent
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