Parts and accessories for musical instruments "e.g. mechanisms for musical boxes, cards, discs and rolls for mechanical instruments" n.e.s.; metronomes, tuning forks and pitch pipes of all kinds (excl. musical instrument strings and arts and accessories for pianos and for string musical instruments without keyboards)
Parts and accessories for pianos, n.e.s.
Parts and accessories for string musical instruments without keyboards, n.e.s. (excl. strings and those for musical instruments, the sound of which is produced, or must be amplified, electrically)
Parts and accessories for musical instruments, the sound of which is produced, or must be amplified, electrically, n.e.s.