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
421.111Single end-blown flutes3 subcategories421.112Sets of end-blown flutes or panpipes3 subcategories
421.111.1Open single end-blown flutes2 subcategories421.111.2Stopped single end-blown flutes2 subcategories421.111.3Partly-stopped single end-blown flutes2 subcategories
421.111.11Open end-blown flutes without fingerholes421.111.12Open end-blown flutes with fingerholes

Open end-blown flutes without fingerholes (421.111.11)