| 1/00 | Automatic musical instruments |
| 1/02 | Automatic musical instruments Pianofortes with keyboard |
| 1/04 | Automatic musical instruments Pianofortes which have no keyboard |
| 1/06 | Automatic musical instruments Musical boxes with plucked teeth, blades, or the like (combinations with other articles, see the relevant classes for the articles) |
| 1/08 | Automatic musical instruments Percussion musical instruments |
| 1/10 | Automatic musical instruments Percussion musical instruments Carillons |
| 1/12 | Automatic musical instruments Wind-actuated instruments |
| 1/14 | Automatic musical instruments Wind-actuated instruments Barrel-organs |
| 1/16 | Automatic musical instruments Stringed musical instruments other than pianofortes |
| 1/18 | Automatic musical instruments Stringed musical instruments other than pianofortes to be played by a bow |
| 1/20 | Automatic musical instruments Stringed musical instruments other than pianofortes to be plucked |
| 1/22 | Automatic musical instruments Combinations of two or more instruments |
| 3/00 | Independent players for keyboard instruments |
| 5/00 | Details or accessories |
| 5/02 | Details or accessories Actions |
| 5/04 | Details or accessories Tune barrels, sheets, rollers, spools, or the like |
| 5/06 | Details or accessories Tune barrels, sheets, rollers, spools, or the like Driving or setting of tune barrels, discs, or the like; Winding, rewinding, or guiding of tune sheets or the like |