| G | SK | SECTION G — PHYSICS |
| G10 | KL | MUSICAL INSTRUMENTS; ACOUSTICS |
| G10G | UKL | AIDS FOR MUSIC (metronomes G04F 5/02; teaching music G09B 15/00) |
| G10G 1/00 | HGR | Means for the representation of music |
| G10G 1/02 | UGR1 | | . | Chord or note indicators, fixed or adjustable, for keyboards or fingerboards |
|
| G10G 1/04 | UGR1 | | . | Transposing; Transcribing |
|
| G10G 3/00 | HGR | Recording music in notation form, e.g. recording the mechanical operation of a musical instrument |
| G10G 3/02 | UGR1 | | . | using mechanical means only |
|
| G10G 3/04 | UGR1 | |
| G10G 5/00 | HGR | Supports for musical instruments |
| G10G 7/00 | HGR | Other auxiliary devices, e.g. separate holder for resin, strings, conductors' batons |
| G10G 7/02 | UGR1 | | . | Tuning forks or like devices |
|