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
Musette de cour G. The qualification "de cour" refers to the instrument's connection with the French court and aristocracy of the early seventeenth century. "Exotic" - in the sense of "imported" or "out of place" - elements were fashionable, resulting in the appearance of traditional instruments such as bagpipe, hurdy-gurdy and galoubet in compositions for professionals and amateurs alike. The musette may well have benefited from being a bellows-blown instrument, too; it was generally considered unseemly for women to play any mouth-blown instrument. Borjon de Scellery, however, does explicitly identify grimacing and pulling faces as a habit of ill-trained musette-players. At the height