The mediaeval wind instrument called a shawm typically had a cover over its keys called what?
Shawm duduk. The body of the shawm is usually turned from a single piece of wood, and terminates in a flared bell somewhat like that of a trumpet. Beginning in the 16th century, shawms were made in several sizes, from sopranino to great bass, and four and five-part music could be played by a consort consisting entirely of shawms. All later shawms (excepting the smallest) have at least one key allowing a downward extension of the compass; the keywork is typically covered by a perforated wooden cover called the "fontanelle". The bassoon-like double reed, made from the same "Arundo donax" cane
Shawm late as 1830 shawms could still be heard in German town bands performing their municipal functions . Curiously, the Germans and Dutch continued to manufacture an ornate version of the shawm, called "deutsche Schalmey", well after the introduction of the French "hautbois". Several examples of this instrument survive in European collections, although its exact musical use is unclear. The , or , is a double-reed instrument in traditional Japanese music descended either from shawms brought to Japan by Portuguese Christian missionaries, or possibly Iberian traders in the 16th century. It is sometimes used in kabuki theatre performances. Shawm The shawm