This sub-class includes the manufacture of musical instruments. Units in this sub-class include the manufacture of: •stringed instruments •keyboard stringed instruments, including automatic pianos •keyboard pipe organs, including harmoniums and/or similar keyboard instruments with free metal reeds •accordions and/or similar instruments, including mouth organs •wind instruments •percussion musical instruments •musical instruments, the sound of which is produced electronically •musical boxes, fairground organs, calliopes, etc. •instrument parts and/or accessories: metronomes, tuning forks, pitch pipes, cards, discs and/or rolls for automatic mechanical instruments, etc. •whistles, call horns and/or other mouth-blown sound signalling instruments