Harmonicas; Pianos; Plectrums; Tambourines; Trombones; Trumpets; Balalaikas; Chinese flute membranes; Chinese vertical bamboo flutes (Xiao); Conductors' batons; Musical instrument stands; Musical instruments; Pedals for musical instruments; Perforated music rolls for use in player pianos; Piano keyboards; Picks for stringed instruments; Protectors for Chinese flute membranes; Sheet music stands; Stands for musical instruments; Strings for musical instruments; Turning apparatus for sheet music...