Reed pipe

Reed pipe (Fr.: tuyau à anche; Ger.: Zungenpfeife), organ pipe sounded by the vibrations of a flexible metal tongue. The reed is either beating or free. In the former the tongue beats against the rim of a brass shallot (Fr.: rigole, Ger.: Kehle) and is enclosed in a tube usually of cylindrical or conical form. Since the tongue is the prime factor in determining pitch, the resonator serves above all to determine the timbre, less by its shape than by its length. Overblowing reeds were created by…