422 Reed aerophones

422.1 Double reed instruments – There are two lamellae which beat against one another.
422.11 Single oboes.
422.111 With cylindrical bore.
422.111.1 Without finger-holes.
422.111.2 With finger-holes.
422.112 With conical bore – Oboe, bassoon.

422.12 Sets of oboes.
422.121 With cylindrical bore.
422.122 With conical bore.
422.2 Single reed instruments – The pipe has a single ‘reed’ consisting of a percussion lamella.

422.21 Single clarinets.
422.211 With cylindrical bore.
422.211.1 Without finger-holes.
422.211.2 With finger-holes – Western clarinet.
422.212 With conical bore – Saxophone.
422.22 Sets of clarinets.

422.3 Reed-pipes with free reeds – The reed vibrates through at a closely fitted frame. There must be finger-holes, otherwise the instrument belongs to the free reeds 412.13.
422.31 Single pipes with free reed.
422.32 Double pipes with free reeds.

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