| Instrument à anche libre | 412.13 | — | — |
| Instrument à anche simple | 422.2 | Instrument à anche | — |
| Instrument à anche simple à perce cylindrique | 422.211 | — | — |
| Instrument à anche simple, à perce cylindrique, à trous | 422.211.2 | Instrument à anche simple à perce cylindrique | — |
| Instrument à vent | 42 | aérophone | — |
| Irish flute | 421.121.12 | — | Irlande |
| Jaleïka | 422.211.2 | Instrument à anche simple | — |
| Kakaki | 423.121.12 | — | — |
| Kalyuka | 421.111-1 | — | — |
| Kangling | 423.121.11 | — | — |
| Kaval | 421.111.12 | — | Bulgarie |
| Kawala | 421.111.12 | — | — |
| Khloy | 421.221.12 | — | — |
| Khlui | 421.221.12 | — | — |
| Khên | 412.132 | Instrument à anche libre | Laos |
| Kugikly | 421.112.11 | — | Ukraine |
| Kōauau | 421.111.12 | — | — |
| Labrosones | 423 | Instrument à vent | — |
| Launeddas | 422.22 | — | Italie |
| Low whistle | 421.221.1 | Flûtes à conduit | — |
| Lur | 423.121.22 | — | — |
| Mellophone | 423.232 | — | États-Unis |
| Melodeon | 412.132 | — | — |
| Midwinterhoorn | 423.121.21 | — | — |
| Mijwiz | 422.221.2 | — | — |
| Mizmar | 422.112.2 | Instrument à anche double | Égypte |
| Musette | 422.112-71 | Instrument de la famille des hautbois | — |
| Musette de cour | 422.12-62 | Cornemuse | — |
| Mélodica | 412.132 | Instrument à anche | — |
| Mélodéon | 412.13 | Accordéon diatonique | — |
| Müsa | 422.112+422.211.1-62 | — | Italie |
| Ney | 421.111.1 | — | — |
| Neyanban | 422.112 | Cornemuse | — |
| Normaphone | 423.233.2 | Valve trombone | — |
| Northumbrian smallpipes | 422.111.2+422.22-62 | — | Royaume-Uni |
| Nâgasvaram | 422.112.2 | Instrument à anche double | — |
| Ocarina | 421.221.422 | — | — |
| Octavin | 422.212 | — | — |
| Okraulo | 421.111.12 | Bois | Japon |
| Olifant | 423.121.21 | — | — |
| Ophicléide | 423.21 | — | France |
| Organetto | 412.132 | Accordéon | — |
| Orgue | 421.222.11 | instrument à clavier | — |
| Orgue | 421.222.11+421.222.3+412.1 | structure architecturale | Grèce antique |
| Orgue de Barbarie | 421.222.11-9 | — | France |
| Orgue à bouche | 412.132 | Instrument à anche libre | — |
| Ottu | 422.112 | — | Inde du Sud |
| Paidi | 421.122.1 | — | — |
| Palendag | 421.141.12 | — | — |
| Petite clarinette | 422.211.2 | Clarinette | — |
| Physharmonica | 412.132 | Harmonium indien | — |
| Pibgorn | 422.211.2 | — | pays de Galles |
| Piccolino trombone | 423.22 | Trombone | — |
| Piccolo | 421.121.12-71 | Flûte traversière moderne | — |
| Piffero | 422.112 | Chalemie | Italie |
| Pifilca | 421.111.22 | Flûte à embouchure terminale | — |
| Pinquillo | 421.211.12 | — | — |
| Piva | 422.12 | Cornemuse | — |
| Poïkilorgue | 412.132 | instrument à clavier | — |
| Puik-puik | 422.112 | aérophone | Indonésie |