Hornbostel–Sachs

Hornbostel–Sachs taxonomy

Musical instruments classified by how they produce sound — from the five abstract families down through ever more particular subclasses.

1Idiophones6 subcategories2Membranophones4 subcategories3Chordophones3 subcategories4Aerophones3 subcategories5Electrophones6 subcategories
41Free aerophones4 subcategories42Wind instruments proper5 subcategories43Mixed sets of aerophones
420Edge-tone instruments that are not flutes421Edge instruments or flutes3 subcategories422Reedpipes4 subcategories423Labrosones3 subcategories424Membranopipes
421.1Flutes without duct4 subcategories421.2Flutes with duct2 subcategories421.23Flutes with internal baffle and external cover
421.11End-blown flutes2 subcategories421.12Side-blown flutes2 subcategories421.13Vessel flutes without distinct beak421.14Notch flutes2 subcategories
421.141Single notch flutes2 subcategories421.142Sets of notch flutes or panpipes2 subcategories
421.142.1Open sets of notch flutes or panpipes421.142.2Stopped sets of notch flutes or panpipes

Stopped sets of notch flutes or panpipes (421.142.2)