Accordions; Flutes; Guitars; Harmonicas; Pianos; Plectrums; Trumpets; Bamboo flutes; Barrel organs; Chinese vertical bamboo flutes (Xiao); Electric and electronic musical instruments; Electronic musical instruments; Handbells; Mechanical pianos; Music stands; Percussion instruments; Perforated music rolls for use in player pianos; Stands for musical instruments; String instruments; Tuners for musical instruments; Tuning hammers; Valves for musical instruments; Wind instruments; Wind instrumen...