Bagpipes; Bandonions; Castanets; Clarions; Cornets; Plectrums; Bamboo flutes; Barrel organs; Catgut for musical instruments; Chin rests for violins; Chinese vertical bamboo flutes (Xiao); Conductors' batons; Harmonicas; Horsehair for use in making violin bows; Kettledrum frames; Mouthpieces for musical instruments; Music boxes; Musical instrument stands; Musical instruments; Pedals for musical instruments; Perforated music rolls for use in player pianos; Piano keyboards; Picks for stringed in...